[HW MOD] LG G6(+) Terrible Thermal Throttling Fix - LG G6 Guides, News, & Discussion

Hi All,
I want to share my experience with my LG G6 Plus (model H870DSU, 128GB, Dual SIM, 32 bit Hifi DAC, Android 8) and as the subject is saying, it has (had now) terrible thermal throttling. After some reading here on XDA and on the internet, I have decided to open it and at first just replace the thermal paste. But this solution was still not enough and throttling was not fixed as I expected. So I opened it again and removed the thin copper tape which is sitting on the "SoC housing". Under the tape is also a little and thin grey thermal pad, not sure how good it is ,as the phone was permanently overheating. Then install thin copper plate (15 x 15 x 0.5 mmm) directly on the Snapdragon 821 SoC, which has 15 x 15 mm dimensions.
SoC, copper plate and "in-built" heatpipe, all have been cleaned by IPA (Iso Propyl Alcohol) and AC MX-4 was used between SoC and copper plate and between copper plate and heatpipe.
Then I put everything together and run the "CPU Throttling Test" again, and the results are more than just a great now. And trust me, before the mod, I have tried everything to have such a stable performance, I even put the phone into the fridge, but it has always throttled. Now, after the mod, the phone is fast and smooth again even in heavy tasks with no lags.
Sorry I have forgotten to make pictures during the mod, so I just modified some pictures from the internet for better understanding. But screenshots from "CPU Throttling Test" app are mine.
Copper plate was bought on Ali.
Do not forget, you are doing it on your own risk, as always
J.
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hey man does it still perform well today? I just read this today and I want to try it when I replace the back glass of my g6

Hi, yes the phone is still working just fine.

Jarko01 said:
Hi, yes the phone is still working just fine.
Click to expand...
Click to collapse
do games still drop fps after this mod? because gaming on this device is fine until it thermal throttles.

I have this phone for almost 5 years, but never play any game on it, sorry
Some FPS drops will come, no matter what (its still only passive cooling inside the phone), but it should not be as bad as before the mod. I see benefits of this mod in daily tasks, not benchmarks or games (I have used CPU Thermal Throttling Test, only to show the difference between and after).
Phone is not lagging while browsing a web (Chrome) or switching between apps during higher usage like WhatsApp, Viber, Messenger, GCam. Also temperatures are going down faster after the load, because of better heat dissipation.
Anyway, keep in mind, that this is a Snapdragon 821, which is quite old SoC (6+ years) and if your preference is gaiming, I would probably go for something newer, with better thermal management, like Snapdragon 855 and higher.
J.

Jarko01 said:
I have this phone for almost 5 years, but never play any game on it, sorry
Some FPS drops will come, no matter what (its still only passive cooling inside the phone), but it should not be as bad as before the mod. I see benefits of this mod in daily tasks, not benchmarks or games (I have used CPU Thermal Throttling Test, only to show the difference between and after).
Phone is not lagging while browsing a web (Chrome) or switching between apps during higher usage like WhatsApp, Viber, Messenger, GCam. Also temperatures are going down faster after the load, because of better heat dissipation.
Anyway, keep in mind, that this is a Snapdragon 821, which is quite old SoC (6+ years) and if your preference is gaiming, I would probably go for something newer, with better thermal management, like Snapdragon 855 and higher.
J.
Click to expand...
Click to collapse
do you recommend the lg v50? it goes pretty cheap nowadays.

hey @Jarko01 did you remove all of the copper tape? or just the part with the soc?

opus10 said:
do you recommend the lg v50? it goes pretty cheap nowadays.
Click to expand...
Click to collapse
Yes, it could be fine upgrade if you can find one in good condition, which was never opened, damaged or is not missing any internal parts, like heat-pipe.
opus10 said:
hey @Jarko01 did you remove all of the copper tape? or just the part with the soc?
Click to expand...
Click to collapse
Yes, I did.
J.

Hi, I do not know if I write in the right place but I have one question, I used this mod and when it comes to work it has stabilized a bit but looking at the processor power, it differs significantly from your copy at max and there is also thermal throttling, is it is it a question of a damaged CPU?

Thank you for this information. I am going to replace battery in a few months because its going to die slowly, i will replace defective fingerprint sensor too (heating and pushing on rear cover does not help). And now i will do this thermal paste replacement too. I have just purchased those metal plates from aliexpress.
Just one question: what is "black copper tape"? is it really copper tape? i did not disassemble it yet, i have just checked a few youtube videos and i see there some kind of black tape but is it really copper? do i have to reapply it after cleaning? or i can discard it?
thank you a lot

Well, to me it looks like copper tape. I have removed it completely, as it was more useless than useful ... we can see on screenshots "before-after".
Do not forget to check, if your copper plates from aliexpress are perfectly flat, especially on edges. Mine were not, so I had to do some "DIY" at home to make them flat.
J.

Jarko01 said:
Well, to me it looks like copper tape. I have removed it completely, as it was more useless than useful ... we can see on screenshots "before-after".
Do not forget to check, if your copper plates from aliexpress are perfectly flat, especially on edges. Mine were not, so I had to do some "DIY" at home to make them flat.
J.
Click to expand...
Click to collapse
my LG G6 is often a bit lagging, i dont know, it might be about apps requiring more and more resources (but on the other hand android should handle this resource issue well) but i am still happy to find out that there is a thermal pad/paste inside which can be renewed and i hope it will help a bit to breath life into my "old" phone. Unfortunately i missed to unlock the bootloader so i hope somebody will save us with a code generator soon
Thank you again for the tip

When I was on Android 9, the phone was a bit laggy "here and there". Didn't really like it. When I switched back to Android 8, smoothness is everywhere. Tried to switch to Android 9 a few times (allways clean install), but system was a bit laggy, so for my needs, Android 8 is the only way to go.
J.

Jarko01 said:
When I was on Android 9, the phone was a bit laggy "herea and there". Didn't really like it. When I switched back to Android 8, smoothness is everywhere. Tried to switch to Android 9 a few times (allways clean install), but system was a bit laggy, so for my needs, Android 8 is the only way to go.
J.
Click to expand...
Click to collapse
Thank you for the information.
Is it possible to downgrade from 9 to 8 if i dont have rooted phone, neither bootloader unlocked?
If yes i would appreciate if you could point me to the thread where i can find instructions. (Also what does clean install mean on an unrooted locked bootloader phone)
Thank you.

Jarko01 said:
Hi All,
I want to share my experience with my LG G6 Plus (model H870DSU, 128GB, Dual SIM, 32 bit Hifi DAC, Android 8) and as the subject is saying, it has (had now) terrible thermal throttling. After some reading here on XDA and on the internet, I have decided to open it and at first just replace the thermal paste. But this solution was still not enough and throttling was not fixed as I expected. So I opened it again and removed the thin copper tape which is sitting on the "SoC housing". Under the tape is also a little and thin grey thermal pad, not sure how good it is ,as the phone was permanently overheating. Then install thin copper plate (15 x 15 x 0.5 mmm) directly on the Snapdragon 821 SoC, which has 15 x 15 mm dimensions.
SoC, copper plate and "in-built" heatpipe, all have been cleaned by IPA (Iso Propyl Alcohol) and AC MX-4 was used between SoC and copper plate and between copper plate and heatpipe.
Then I put everything together and run the "CPU Throttling Test" again, and the results are more than just a great now. And trust me, before the mod, I have tried everything to have such a stable performance, I even put the phone into the fridge, but it has always throttled. Now, after the mod, the phone is fast and smooth again even in heavy tasks with no lags.
Sorry I have forgotten to make pictures during the mod, so I just modified some pictures from the internet for better understanding. But screenshots from "CPU Throttling Test" app are mine.
Copper plate was bought on Ali.
Do not forget, you are doing it on your own risk, as always
J.
View attachment 5462459View attachment 5462461View attachment 5462475View attachment 5462477
Click to expand...
Click to collapse
Hello mate, are you still using the lg g6 as your main phone?

Hi,
yes, the phone is still working fine running Android 8. Android 9 is just too laggy.
J.

Hello. I have used this mod. I put the copper plate as followed from the instructions, but the result didn't meet expectations even after downgrading to Android 8.
The pre-installation result wasn't uploaded to gdrive before reset, forgot to upload it so it wasn't here
This image shows the result on Android 9, mod applied. 25.11.2022
The second one shows the result on Android 8.
04.12.2022

Hello,
I did the test again to see if my cooling mod is still working. Even the spike is not the same, stability is OK from my point of view.
J.

Unfortunately i was too lazy to perform any benchmark, now i am regretting it a bit Yesterday i made a battery/cam glass/fingerprint sensor replacement and i have also performed this thermal stuff upgrade the exact way as you have described (the old paste was almost dry). I dont know if its performing better but i am glad i did it. thank you again for the idea.

Related

lag in games

Anyone else notice that gameplay on the Nexus 10 is a tad laggy? I tried playing GTA Vice last night on just 80% resolution and it plays very well and smooth, but the frame rates drop every 10 second to about 5fps for a few seconds, then restores back to smooth gameplay. Similar lag in NFSMW where it lags up every 15 secs. Anyone else experience this on their N10? Perhaps its because of the lack of optimization but then it does run smoothly for a while before the lag kicks in? Anyone has an explanation for ways to fix it?
Tested on both stock kernel and Linaro-based kernel by kToonz
This has been discussed in length many times, the processor is just throttling down
and do you know any way oft fixing it?
Sent from my Nexus 10 using xda premium
dadebue said:
and do you know any way oft fixing it?
Sent from my Nexus 10 using xda premium
Click to expand...
Click to collapse
As of now you cannot. The closest to it is flashing manta kernel in original development section if you have a custom rom/rooted. He has disabled it personally but wont release that version as of today to the public for fear of people burning up their chips. I actually hope he does anyway as I know how you feel. This device has so much potential and I love it and Im just hoping Google is still optimizing the sh*t out of this device with their next REAL update. (Not that 4.2.1 crap of an update......although needed if you like December)
With their next update I really hope they focus on this throttling aspect of the device and crank up the speed in games as the launcher and overall speed of browsing is the best I've ever experienced with Android as of yet. Did I mention that display is beautiful. (C'mon Voodoo Color and Sound)
>the processor is just throttling down
>and do you know any way oft fixing it?
Has anybody tried heatsinking the SoC? The Exy5 is a bare chip, so a thermal-conductive pad to attach it to the EMF shield, and a low-profile sink on top of that?
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Has anybody tried opening up their toy?
e.mote said:
>the processor is just throttling down
>and do you know any way oft fixing it?
Has anybody tried heatsinking the SoC? The Exy5 is a bare chip, so a thermal-conductive pad to attach it to the EMF shield, and a low-profile sink on top of that?
Has anybody tried opening up their toy?
Click to expand...
Click to collapse
I actually had this idea in mind for a while now... I don't have a suction tool to separate the screen from the backing though :/
I have never thought that Google could release a crap like 4.2.x. Few useless features, terrible battery usage (Nexus 4 is noticeable worse than Opt G http://blog.gsmarena.com/google-nex...-test-see-if-its-better-than-the-galaxy-nexus) and benchmark (actually reviews said that there were some hipcups - the thing you cannot see on Opt G)
Anw, I ordered them (both N4 and N10) coz they are great devices, but still expecting something better than crap 4.2 from Google.
>I don't have a suction tool
2.5" Mini Suction Cup $2.97 free shipping
http://www.ebay.com/itm/New-2-5-Min...lass-Metal-Lifter-Locking-Quick-/400356409544
Add: BTW, for chipheads who want to know more about Exy 5 internals, Sammy has a 5MB "user manual" just for you. Sadly it's above my pay grade:
http://www.samsung.com/global/business/semiconductor/product/application/detail?productId=7668
Exy 5 specs specify it coming in two forms: SCP (single-chip packaging) and POP (package-on-package). Both are housed in FCFBGA packaging, which I'm assuming to mean "flip-chip fine ball-grid array".
I perused through this, as unlike your regular CPU w/ a heat dissipator, the packaging is plastic, and I don't know how well it conducts heat. Heat would be conducted through the BGA interface, so you may need to heatsink the underside(?)
Anyway, for hardcore gamers who are (literally) getting throttled, should be worth the hour-long project. Remember to do it while still within your return period.
I have played NFS MW as well as Asphalt 7 and haven't noticed any lags, at least not yet. I read a few posts referencing a background app (Facebook, etc.) causing this issue. Don't know how widespread it is......
e.mote said:
>the processor is just throttling down
>and do you know any way oft fixing it?
Has anybody tried heatsinking the SoC? The Exy5 is a bare chip, so a thermal-conductive pad to attach it to the EMF shield, and a low-profile sink on top of that?
Has anybody tried opening up their toy?
Click to expand...
Click to collapse
Ill try it out and get back to everyone if I can find a good and easy(ish) way to dissemble my device. I would also extend it over the RAM chip next to the CPU too
EDIT. The above picture is actually false. There is a heatsink over the whole area (processor is on the right in this image):
Doesnt look like any TIM though, maybe we could improve temps by putting some thermal interface material in so that better heat transfer happens between the chip and the aluminum plate
I will have to look closely myself, but I may add a very large aluminum plate in anyway. It depends how much clearance I can get away with between the back cover and the rest of the device. I may be able to add in a 1/16" thick plate to just help a bit more with spreading heat and also strength of the device (not that it feels weak to me). This would probably bulge out the back a tiny bit and make the device 1 or 2 mm thicker, and also add a few ounces of weight too. The heat difference might be worth it though
Noticed this as well. Definitely down for trying whatever craziness someone else finds to work.
Sent from my Nexus 10 using Tapatalk HD
EniGmA1987 said:
This has been discussed in length many times, the processor is just throttling down
Click to expand...
Click to collapse
Tested in ktoonz's kernel in performance mode. Same issue occurred. I would have thought that a custom kernel set in performance mode does not throttle down as badly as the stock kernel?? Correct me if I'm wrong
stormricker said:
I have played NFS MW as well as Asphalt 7 and haven't noticed any lags, at least not yet. I read a few posts referencing a background app (Facebook, etc.) causing this issue. Don't know how widespread it is......
Click to expand...
Click to collapse
Definitely not facebooks/auto update issues...I tested it on ParanoidAndroid stock without Facebook app or gmail sync...even tested in airplane mode, yet the result was the same as stock with gmail and notification sync on.
beerope said:
Tested in ktoonz's kernel in performance mode. Same issue occurred. I would have thought that a custom kernel set in performance mode does not throttle down as badly as the stock kernel?? Correct me if I'm wrong
Click to expand...
Click to collapse
Yep you are wrong
There can be a few things that affect heat output in the kernel at the same core frequency and voltage, but the majority of its power consumption and heat output come from those two main points, voltage and frequency. Even on the custom kernel you are running the same on both, so you will still have throttling problems. And set to performance is making the throttling happen sooner because you are locking the CPU into its maximum voltage and frequency slot with no time to slow down when it doesnt need to run as fast.
EniGmA1987 said:
Yep you are wrong
There can be a few things that affect heat output in the kernel at the same core frequency and voltage, but the majority of its power consumption and heat output come from those two main points, voltage and frequency. Even on the custom kernel you are running the same on both, so you will still have throttling problems. And set to performance is making the throttling happen sooner because you are locking the CPU into its maximum voltage and frequency slot with no time to slow down when it doesnt need to run as fast.
Click to expand...
Click to collapse
Thank you for clearing it up. I read the thread about governors and thought that performance meant CPU is throttled to full clock speed under load
The problem can be solved. check it out
Would turning on Anti-Aliasing work? I don't have my tablet on me at the moment but you can try it. Turn on your developer options if you haven't already (go to settings, go all the way down to about tablet and tap the build number 7 times (after 3 or 4 taps it will say turning on developer options in 4 taps and it counts down). Once its on you can find the developers options on the left. Select that and you should be able to find something that says "Force 4x MSAA" and check it on. Idk if it will do anything though.
Turning on an option to make the GPU work harder seems counter-intuitive to me. But who knows, I suppose anything is possible
Has anyone tested Vice City on the Nexus 10? How's the performance? My brother has it on his iPad 3 and it lags. Wondering if performance on the Nexus 10 is any better.
the N10 is not optimized for its screen resolution
simple as that.
that is with constant low fps as it seems to be for many games.

Note 3 as action cam

Hi guys,
I am planning to go on a skiing trip this december. I was looking for an action cam, however they were all disappointing in terms of quality.
I just realized, our note 3 shoots amazing video.
Does anybody know whether is a way to use the Note 3 as an action cam, and mount it without looking like a dork? Also would an Otterbox Defender case provide sufficient protection? I will probably crash. Hard.
I honestly think you're better off using a action cam. First off there's no way for you to get a point of view shot without looking like a total dork. And you're going to risk damaging the $700 device. Video you take with the note 3 will most likely be very shaky since it doesn't have optical video stabilization.
Road Trip said:
Hi guys,
I am planning to go on a skiing trip this december. I was looking for an action cam, however they were all disappointing in terms of quality.
I just realized, our note 3 shoots amazing video.
Does anybody know whether is a way to use the Note 3 as an action cam, and mount it without looking like a dork? Also would an Otterbox Defender case provide sufficient protection? I will probably crash. Hard.
Click to expand...
Click to collapse
GoPro or GoHome!
babyshanks said:
I honestly think you're better off using a action cam. First off there's no way for you to get a point of view shot without looking like a total dork. And you're going to risk damaging the $700 device. Video you take with the note 3 will most likely be very shaky since it doesn't have optical video stabilization.
Click to expand...
Click to collapse
I know. I couldn't think of any elegant solution. I already think a gopro looks stupid.
twe90kid said:
GoPro or GoHome!
Click to expand...
Click to collapse
They have suprisingly **** quality for the hype and price though.
Road Trip said:
I know. I couldn't think of any elegant solution. I already think a gopro looks stupid.
Click to expand...
Click to collapse
Ya theres probably not going to be a very elegant solution. If your determined to use it, probably should throw a heavy duty case on it and slap it in the chest pocket of your jacket if you have one. That or Mcguyver a 45 degree little mirror on it and ducktape that shiz on your head haha.
babyshanks said:
Ya theres probably not going to be a very elegant solution. If your determined to use it, probably should throw a heavy duty case on it and slap it in the chest pocket of your jacket if you have one. That or Mcguyver a 45 degree little mirror on it and ducktape that shiz on your head haha.
Click to expand...
Click to collapse
I once did this just for lulz
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Changed the lens to a wide angle though. It worked suprisingly well. Video quality was excelent with the optical VR and great sensor and optics. Auto focus wasn't a problem either.
It looked hideous though. And it was heavy. And it was causing lots of drag.
http://www.techshout.com/alternatives/2013/16/gopro-alternative/
Obviously anything currently in mainstream market including the GoPro is going to make anyone look like a dork.
For now, if form over quality is your priority, Check out Looxcie
http://www.looxcie.com
Or check out Google Glass in a few months.
klau1 said:
Or check out Google Glass in a few months.
Click to expand...
Click to collapse
:good:
toenail_flicker said:
:good:
Click to expand...
Click to collapse
I am already leaving in december though.
Just a shame the GoPro blacks are so expensive.
I race motocross and I have a gopro as well as the newest Contour roam +2.
Hands down the Contour is so much better. Everyone at the track is switching now.
The reason is (and most gopro users will agree) that it's actually hard to control the gopro or turn off and on while it's mounted. It has a small led that in direct sunlight you can't see, and if you hit record you will always be asking the guy beside you if it's running as you staring him in the face lol. Gopro users goto line is "is it on?" haha. It's not uncommon to have a guy at the starting gate tap me on the shoulder to ask if he's recording.
That said, the Contour uses a massive slider and the whole thing vibrates when it starts recording. It's mint to use without looking at it and the laser levelling is cool too with the spinning lens means you can mount it anyway no need to line it up.
My Bluetooth on the gopro tends to lose connectivity sometimes. Not the case with my Contour. Also read up about the gopro and lockups requiring reboots.
Sorry this isn't a direct answer to your note question, but you will not be disappointed getting a real action cam.
Ps the only place the gopro wins is it does 1080p at 60 fps. On the Contour it does 30 fps at 1080p. The Contour does however support 60 fps in 720p which in my opinion is the best for file sharing anyways. 1080p seems overkill for most applications.
---------- Post added at 03:21 PM ---------- Previous post was at 03:12 PM ----------
Road Trip said:
I am already leaving in december though.
Just a shame the GoPro blacks are so expensive.
Click to expand...
Click to collapse
I give my gopro a big thumbs down anyways
It's all just marketing with them. Gopro has been around a very long time and I had an SD one years ago before anyone even heard of them. At that time they were the only company that made anything that small and light. Now the competition is growing so large gopro is like Apple and just relying on the name.
That said, the contour one I mentioned above isn't real cheap either, but there are many cheap options available around the 100 dollar mark just review them and look on YouTube. Search for some contour vs whatever and you will find tonns in whatever price range you like.
It's too bad you left it so late! Else you would be able to purchase some online from China
Sent from my SM-N900W8 using Tapatalk
it depends on the sport and I would be cautious about getting it wet AT ALL but yes I can think of one way to easily use it as an action cam for some 4k loving.
FIRST install the hack that allows you to up the "bit rate" of the video. CAUTION while this hack allows you to remove the 5 minute limit unless you format your card to something like exfat or ntfs or something (people more expert at this will chime in) your going to run into the 4gb limit. at 50MB your probably looking at 4-5 minutes anyway at 100 MB bit rate your at around 2.5 minutes!! so be aware. you will hit the 4gb wall FAST at 4k
at minimum do 50mb and 256kbit audio mod!
now. onwards. BUY a case that includes a holster cover plate.
I would suggest Zero Lemon's Zero Shock case. (yes you can use it without the zero lemon battery its $24) I WOULD suggest buying the zero lemon battery ($60 gets you battery and case) with a 10 AMP battery you could probably go an entire weekend without recharging it no mater how much video you record. (yes its that impressive)
You would use some webbing and build yourself a "chest harness" something with a nice "backing plate" that would press hard against your chest.
Second figure out the appropriate angle. if you put it flat against your chest your probably going to get lots of sky so your probably going to want to angle it down a bit.
remove the "clip" from the holster and secure (screw?) the holster to your custom chest mount.
I would also install a screw top and bottom in the wood so you can stretch a rubber band over the two screws across the phone as a little bit of extra insurance IE install a velcro strap for a more pro and permanent look and function.
at home you would rig and set up your chest strap rig. at the site you would done the chest mount (like a go pro chest mount but more heavy duty since your phone weighs a lot more) keep it all black and you won't look like a "dork" so to speak. and use a black case as well.
at the top of your run you would hit "go" on the video snap it into the chest mount holster case slap your velcro security strap in place and GO.
this is a VERY good idea consider how nice the 4k video is!
Here are some pics and vid describing how I might do it. if I have time I may just build a rig.
Here is the zero lemon case for my note II (similar for the Note III) you can of course get all black I HATE black so I had to get pink purple since that is the only other color they make its not bad. since you want invisible get all black.
Here is the holster it snaps into
Here it is snapped into the holster plate
The other side mounted
I would remove the clip and use a couple washer and a screw to secure it to your chest plate (be sure not to BEND IT as you screw it in use spacers as needed if you distort the holster it might not hold the phone as firmly. also be sure to install a beefy velcro security strap as backup.
Mount it roughly their and your good to go. Be sure to set ANGLE proper or your gonna get a lot of sky shots you want level with horizon or even slightly "down" so when you "lean back" your still getting good footage.
https://www.youtube.com/watch?v=WaJ46EFdKo8
If you want a HEAD mounted action cam I would go with the SONY HDR series (the 10 is cheaper but lacks wifi connectivity which is really nice since you can use your phone as a viewfinder for the cam in real time!!)
I stalked ebay and scored mine for $129. there is another vendor who makes a 3D printer "strap mount" for the cam you DEFINITELY want this otherwise you have to stick the cam in its water proof case to "mount" it to anything.
I really like the video and fantastic audio from the sony.
NOW the contour are also VERY nice units and they have the advantage (the newer ones) of being waterproof WITHOUT an additional case.
they are also more compact than a go pro !! the go pro is smaller but its a landscape format camera. while the contour and sony units are "pistol style"
for chest mounting go pro is king since its landscape (like your phone) but for HEAD mounting unless you are mounting on top of your helmet the contour and sony units are much better.
FYI - Contour went out of business in August. There's a potential buyer, but last I saw it was not a done deal.
Damn, that's too bad
Contours are definitely better than GoPro for head mounting.
klau1 said:
Damn, that's too bad
Contours are definitely better than GoPro for head mounting.
Click to expand...
Click to collapse
I've informed Santa that a Drift Ghost HD would be nice for the end of the year.
The Mobius ActionCam ............thats what im gonna use when i go snowboard. not spenting 400 for a go pro.. im still gona use my note 3 when i want to film others
Action Cam
Obviously anything currently in mainstream market including the GoPro is going to make anyone look like a dork.

[Guide][Hard Mod][Nexus 6P]Improve cooling and greatly reduce Thermal Throttling

Warning: This MOD will void your warranty. You will have to open the device and leave traces behind by performing it. Only perform this Mod if you are willing to take a risk.
Since I have already voided my warranty of both my Nexus 5 (2013) and Nexus 7 (2013), why not do it again? There are a few things I do not like about the Nexus 6P and having looked at some pictures from various Teardowns, I was pretty confident that I could improve this device as well. Be warned that this device is really hard to open and I had a few failed attempts before.
What can you expect from this MOD? A more reliable device, better cooling and less Thermal Throttling.
I want to thank Aquatuning Germany for helping me out with this guide by sending me this nice thermal paste as well as the required Heat Gun I was lacking.
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Phobya NanoGrease Extreme: This thermal paste has a insane thermal conductivity of 16W/mK which promises excellent results and will replace the pink rubber used by Huawei.
I tried to open the Nexus 6P before but failed miserably with a regular hair dryer. It seems that you need plenty of heat and the right tools in order to open such a device. I have never needed a Heat Gun before but everybody has to start somewhere
Alphacool HardTube Heat Gun Pro 2000W: This Heat Gun has 3 different levels of heat: 100°C - 450°C - 600°C and can burn a hole in your hand if you´re not careful.
I was afraid at first because the visor glass is very thin, curved and looks like something which will break just by staring evil at it. If you really think you have what it takes to torture your device, let´s proceed!
Material needed:
- a Heat Gun
- rubbing alcohol
- a razor blade or parts from a soda can
- a precision screwdriver set
- premium thermal paste
- premium 0.5mm thick thermal pads
- a guitar pick or spudger
- a very thin guitar pick or chirurgical knife
- some thin plastic card
You might also consider to get some sort of basic repair kits for mobile devices if you´re not confident that the tools mentioned by me are enough for you to perform this MOD too.
This video inspired me to give it a try too. I think this one is a nice example and since it helped me to finally give it a shot, I guess it is worth mentioning.
https://www.youtube.com/watch?v=PdWR7cU0sdc
You need to open your device and to make sure that you lay down your display on a soft surface in order to prevent it from being scratched. Don´t forget to remove the SIM card tray right after.
Use a Heat Gun to soften the glue and carefully insert a very thin razor blade between the visor glass and the Aluminum case. It is a great idea to raise the phone from your table by using some spare piece of wood or else you might heat it up too. Be warned that you might need several tries before you can cut through with a thin razor blade or some self made blades out of a soda can if you are not a experienced phone technician who does this kind of stuff on a daily basis. I tried at first the 100°C setting but this one took too long. I switched over to the 450°C setting and kept a good distance because there is a high risk of damaging the components or even igniting stuff.
Finally, I removed the critical visor glass without shattering it. This is really scary if you have never done anything like this before.
Use a Heat Gun for the lower plastic part but be careful because this part does not like heat at all and might warp and change the colour. You really need to be patient on this part. Fitting a razor blade works too but it is not as easy as you might think. Once you have built a lever and raised one lip, everything is pretty easy. Use a thin plastic card or similar object to cut through.
Now you need to remove all 6 screws with a precision screwdriver set and make sure that you don´t lose them. Removing the back was quite tricky if you lack the tools. I had to borrow a very thin guitar pick made of metal in order to open the case.
Remove the screws of the motherboard and disconnect all connectors. It is easier to remove the motherboard if you remove the 3.5mm headphone jack and front camera first. Now you will see the rubbery thermal paste used by Huawei. It looks cheap and also feels cheap. I bet it is not the highest grade paste used either!
I put the motherboard on a antistatic foam and had a closer look.
Use rubbing alcohol and some cue tips for ears, paper towels or even toilet paper in order to get rid of the old thermal paste. This looks a lot better, eh?
Clean the closed container with rubbing alcohol too.
What is inside? More of that lovely thermal paste. In order to open the lid you need to use a lever. Make sure that you do not use much force and especially damage the small components around. It is not very hard to open the lid once you have figured it out
The back of the lid also needs some cleaning too.
That looks a lot better. Use rubbing alcohol again and clean the SoC and the back of the lid.
Alphacool Eisschicht: These pads have a insane thermal conductivity of 17W/mK which promises excellent results. I´ve used them in my Nexus 5 (2013) Mod too since these 2 stripes are enough for many modifications.
Attach the thermal pad you want to use. You will need about 15x15x0.5mm in order to fully cover the SoC. Make sure to attach the pad in such a way that you can still close the lid later. The SoC is a really tight fit but it seems that such a pad might work out too if it can adapt to the gap without high pressure. At first I used the Phobya NanoGrease Extreme thermal paste I received. This paste reminds me of Arctic Silver 5 and it is not very easy to apply. It is quite thick and needs some patience. You can use thermal paste instead of a thermal pad too but it´s up to you to decide, how much you need in order to fill the gap which is quite noticeable.
Apply the thermal paste on the metal area too, make sure that you do not use too much of it. Let some space for the metal contacts to touch the area too. It does not look too good but once you attach the motherboard back, it will fit like a charm and adjust itself to the existing structure. Use a thick "drop" of paste and let the lid of the EMI shield spread the paste for you.
Now reassemble the device. You can use the old glue of the visor glass and lower plastic part and it will still fit. I might buy some thin double sided adhesive bands later and fix these parts again. At least now I will not need to apply that much heat again in order to remove them
There was a huge discussion about how much thermal paste I´ve used and in order to avoid it. I´ve performed this Mod 2x now and there is barely any difference noticeable between the first and the second try. The thermal paste between the SoC is a lot dirtier while a thermal pad does not create that much mess.
Update 29 February:
Like I said before, I´ve performed this Mod twice and there is barely any difference noticeable between using a pad or using thermal paste. I get slightly better scores in Benchmarks now but in the end I should have let the device like it was after the first try.
Here is a nice picture for you. This is how the area looked after I removed the motherboard again. I simply used a larger surface of the lid to connect with the metal area which wasn´t a issue after all. Did I flood the whole device with thermal paste? Did it change the thermal conductivity for the worse? Absolutely no.
And now some of you might wonder, what happened to the SoC first? Was this one drowned in thermal paste too? Well, just have a look at this picture too after I scraped off the thermal paste. As you can see, there was barely any "mess" at all or else it would have looked a lot worse. The "grey" layer is tough to remove though but it does not matter in the end since you cannot reach some pores with a paper towel. It won´t affect the thermal conductivity of the now attached thermal pad.
There was nothing wrong with the modification itself, I simply wasted more material than necessary.
The whole device runs smoother and feels warm and nice after a while. The display remains warm too and also the Aluminum back needs a while to heat up. Sooner or later this device will throttle too but it will take a lot longer before it heats up enough because the heat is dissipated faster through the elite thermal pad and thermal paste. I´ve played again with various benchmarks and the high scores and linear temperature increase are evidence enough for me that the cooling is great the way it is now.
Update 27 February:
Many guys have mentioned that I used way too much thermal paste. I might have used a lot more than necessary which is quite a waste but it doesn´t flood the entire case and spills out of every corner. You can use a lot less paste or even try a small metal plate (about 0.3mm - 0.5mm thickness) if you have the patience to measure the actual gap between the EMI shield lid and the metal area on the display frame.
I´ve tortured this device a lot and can confirm that the heat dissipation is still a lot better than it was before. I might open this device at a later time again and see if I really made a mess and also provide you with pictures.
I don´t force any of you to modify your device but you´re free to tell me your experiences in case that you actually performed this Mod too
I just wanted to show you my Mod and also inspire some of you who also like to perform crazy experiments. This was the main reason why I went through the trouble of creating this guide.
Tests:
Update 10 March:
RngrYogi was brave enough to perform this Mod too and used nearly the same ingredients (similar thermal paste and thermal pads) like I did. Check out what he has to say about his results. He can confirm that the Mod helps the device to lower the thermal throttling intervals and to recover faster His Benchmark results also show that this phone can deliver a great performance when it doesn´t heat up too often.
I will update the OP from time to time if I get more success stories like these.
Update 28 February:
How reliable are Benchmarks when it comes to testing for stability or performance? Even if you perform 100 runs, you have a high tolerance between the results you get. All I was interested in was the temperature increase which is shown in some Benchmarks. It´s linear which is a good sign that everything worked out fine, even if I used a lot of thermal paste to fill the major gaps. That´s enough evidence for me that the cooling of the SoC works like intended and didn´t change for the worse.
On the other hand, if this Mod would have decreased the cooling performance of this device, the scores should also be way lower? Simple logic because a hotter phone tends to throttle more often than a device with a better cooling.
How did I test?
I use a customized, rooted and debloated Stock based ROM (MMB29Q) which suits me well. Every system is different and it also depends which kind of Apps you use. I used two different ways of stressing the whole system by forcing the CPU to use the max. speed at any times in order to generate as much heat as possible. The right tool for me was the usage of the ElementalX Kernel and the EX Kernel Manager App by flar2.
1)Stock Speed, no overclocking at all: Performance Mode activated and Min=Max frequency enabled for all cores.
2)Max Speed, set highest overclocking settings of the Kernel: Performance Mode activated and Min=Max frequency enabled for all cores (1708Mhz and 2054Mhz)
I also killed all active Apps like eg. WhatsApp and let the device stay idle for a while before performing the Benchmarks. Like I said before, there is no way to ever get the same results because every device has a different configuration and amount of Apps installed. The used Kernel settings can also influence the performance.
Here is a great example of how unreliable Benchmarks are when it comes to comparing the performance. I don´t want to link huge image files directly in this OP, this is why I post external links this time. If you don´t trust me, see for yourselves that both images are 100% unaltered.
27 February, Antutu 6.0.1 @ maximum overclocked speed: I was offered a update yesterday but only received a parsing error when I wanted to install it. Have a look at the Playstore ratings and see for yourselves, this is why I could only use 6.0.1
http://abload.de/img/screenshot_20160227-1lirkv.png
28 February, Antutu 6.0.4 @ maximum overclocked speed: This time I was able to install the update and perform the test under the same conditions like yesterday since I didn´t change anything again.
http://abload.de/img/screenshot_20160228-1frrar.png
You get a different result for many reasons. I guess I made my points clear why I don´t really trust Benchmarks when it comes to comparing scores only? I trust my user experience instead. If the device performs well, Apps open fast and I don´t feel any lagging at all, I don´t care if one Benchmark would show me 100k points or even 40k points.
In the end I want to make clear that this modified device will also throttle sooner or later when the device heats up after a while which is inevitable, even if you use the best thermal paste available. The cooling system of this phone is physically limited. Even if you use a diamond sheet instead of thermal paste, this device will still heat up at some point. It would also take a longer time.
This MOD can prolong the time needed for the Thermal Throttling to kick in because it helps to dissipate the heat faster. If you play heavy games or use the phone for Benchmarks only, you might notice the Thermal Throttling to kick in after eg. 2 hours instead of 1.5 hours.
I also made a full NANDroid Backup in TWRP which included all partitions and also enabled compression. The phone heated up like you are already used too but it was not as hot as before. It felt a lot cooler.
I am happy with the results, in terms of reliability this is a great improvement for me At least now I know what I have inside and for me it was worth it.
I feel honored that this Guide has been mentioned at XDA in this article and also in the video.
Impressive efforts to open the phone. How do you go about sealing it back up when you are finished?
Agret said:
Impressive efforts to open the phone. How do you go about sealing it back up when you are finished?
Click to expand...
Click to collapse
Using a heating gun to re-melt the adhesives to make it sticky again. Buying thermal paste for a phone that is so difficult to take apart (2/10 repairability score on ifixit) is a complete waste of time/money/effort. If someone does this, they will see little, if any, noticeable gains where it effects the way they use the phone, and they will have severely weakend the bonding strength of the adhesives in the process. Not to mention the numerous ways of messing up the disassembly/reassmbly and resulting in a brick. And now since the warranty is now voided, they have to buy a whole new phone at full price to replace the one they just turned into a paper weight..
It's just asking for trouble and definitely not worth it. Tons of risk for little gain.
OP - that is way, way too much thermal paste. Even if you were to only apply it just to the CPU like your pic above, it would have been too much - yet, you double downed by applying just as much on the heat shield as well...
Chances are if you were to take it out again, it would have gotten everywhere by now. I wouldn't be surprised if it started leaking out at one point.
I ended up doing kinda of the same thing on my M9, except i used thermal paste under the metal rf/heat shield, then i had a couple xbox 360 motherboards laying around, and instead of using thermal paste from the heat shield to the metal casing i used a thermal pad, i cut it in half to make it thinner and reassembled without creating a mess. and no bulges during reassembly.....
just my experience
ksoze said:
OP - that is way, way too much thermal paste. Even if you were to only apply it just to the CPU like your pic above, it would have been too much - yet, you double downed by applying just as much on the heat shield as well...
Chances are if you were to take it out again, it would have gotten everywhere by now. I wouldn't be surprised if it started leaking out at one point.
Click to expand...
Click to collapse
Yep, definitely too much. For a CPU that size, something like a grain of rice should be enough.
Way too much paste. Also, spreading it around like that creates air pockets which are a no-go. Not a huge deal for this little processor, but still something to note. Also, toilet paper? Hell no - at LEAST use some high quality paper towels. Toilet paper would make a mess and fall apart.
Good on you for being brave and trying it. Some real tests would've been cool to see how much of a difference was truly made though!
Way too much paste. The paste is a lot less conductive than the metal. A LOT. You only want it to fill the air gaps which is way more insulating. Hopefully it works out for you
OK, I might have gotten over the edge with the thermal paste and I see that in case I would want to remove the motherboard again, it would be a lot harder now. This kind of thermal paste is also quite sticky.
I've created the guide to show you what would be possible to achieve with this phone, in case you like stuff like this.
However, like I mentioned in the OP, this modification is very hard to perform since opening the device involves many risks.
I like experimenting though and if my Nexus 6P should fail, I'm out of luck.
I also have my doubts that most guys would want to perform this Mod too but what if someday the battery fails and needs to be replaced? You would have to open the device anyway and also use the chance to apply fresh and better thermal paste
with that amount of TP it's gonna heat up even faster and in a few days you'll be left with a hardened up layer that doesn't conduct heat
I was thinking to get another plate of copper, if there is a gap,or some thermal pads, not alot you can do, better to have an efficient SOC or implement a better way to get the whole phone to absorb the heat.
As above, alot of thermal paste, a small dot would be better as you used a better paste than stock,
Anyway it's silly to think we should have to do this,
OP, thermal paste is not the same as icing on a cake. You don't try and layer the CPU in it.
WAY to much paste .......
Yeah...... No thanks
Thanks for all the Feedback. I´ve updated the OP I don´t force any of you to perform this Mod and I will use less thermal paste next time For now, everything is still OK and I didn´t see any thermal paste leaking through the motherboard and the whole case. I got over excited and used more paste than really necessary which is a waste of material but didn´t change the results for the worse.
I´m performing a series of extra Tests which will also include a overclocked device in order to see if I can somehow teach this guy the "Art of Heating" again and trying to burn my fingers.
Just asking if this would work on other devices?
It should work on other devices too because many of them are built in a similar way. Other devices might be easier to open though, like it was the case with my Nexus 5 (2013) and Nexus 7 (2013)
nick37332001 said:
Just asking if this would work on other devices?
Click to expand...
Click to collapse
Gorgtech said:
It should work on other devices too because many of them are built in a similar way. Other devices might be easier to open though, like it was the case with my Nexus 5 (2013) and Nexus 7 (2013)
Click to expand...
Click to collapse
I hope so because some devices do not even have thermal paste/ whatever it is on their CPU and the CPU is usually soldered and tightened down.
It depends, the SoC of the Nexus 7 (2013) faces towards the back and not the display frame. A slight improvement is still possible because you can use a thin metal plate or a thermal pad to connect it with the lid of the EMI shield. It´s better than nothing.
Even if you manage to find a gap inside the case and to glue a thin plate of metal to eg. the back and connect the SoC with it, it will be a great improvement. This kind of ICs can perform very well, even without a passive cooler attached to them.
What I noticed now is that my battery temperature is lower because it gets less heat from the SoC now. The heat is dissipated faster through the better thermal paste. I will post a few Screenshots later and also describe the measuring conditions used by me
How did I get here?
Oh yeah, WAY too much thermal paste. That's counter-productive. Thermal paste basically fills in the scratches/imperfections to help heat transfer. A goopy snot of bubble gum wadded there will insulate the chip, and it will have less cooling ability.

LG G5 GPS FIX [ All Varients All software models] [Non-root needed]

so i cannot post pictures because im a new member.
Step 1: watch any LG G5 teardown video and seperate the glass screen with mobo out of the metal casing.
step 2: on the right side of mobo under the black circle fabric (below the fabric DO NOT REMOVE FABRIC JUST LOOK UNDER IN) YOU WILL SEE 3 little button nubs.
each nub has a little bent peice of metal facing upwards. Each one needs to be pushed up a little more. the problem was they are not hitting the ribbon connection to give them power on the back casing.
you can see an image of it here imgur. com /G76xf8N remove spaces please.
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Can confirm this worked for me, here's an album if y'all want different angles on the phone
Confirmed as working for me too. I've done this mod on 3 phones already, all are a success. LG is horrible... Releasing phones with such blatant defects.
It will stop working after few days, cuz those are volume pins, has nothing to do with gps
If thats the real fix and the battery touches it, I'm almost certain that replacing batteries is causing this. It explains why many are reporting the issue coming back overtime when warranty replacing. My replacement is already getting worse GPS signal
Actually, makes sense these buttons are related to the volume buttons... There are multiple leads on the board connecting to the back of the case directly though, making me think that LG chose to use the "metal backing" as a GPS antenna. I've straightened multiple leads on the board which come in direct contact with the case itself and other elements just in case, but I have a feeling this will be an issue that plagues us G5 users until a hardware revision is done by LG...
Time to shop for another phone. What a bad investment this was...
karendar
wanna hear my story ? Bought S7 01.04.2016, 04.04.2016 was 1st time on warranty service cuz water in front cam, 2nd time 12.06 broke again same problem, last week 3rd time on warranty SAME PROBLEM, now I bought lg g5 with ****ed up GPS , VERY VERY nice.... looks like I'll give a shot to HTC 10 :/
if those 3 pins are gps antena and I dont think so, I'll just solder something to the backplace
NeoDJW said:
karendar
wanna hear my story ? Bought S7 01.04.2016, 04.04.2016 was 1st time on warranty service cuz water in front cam, 2nd time 12.06 broke again same problem, last week 3rd time on warranty SAME PROBLEM, now I bought lg g5 with ****ed up GPS , VERY VERY nice.... looks like I'll give a shot to HTC 10 :/
if those 3 pins are gps antena and I dont think so, I'll just solder something to the backplace
Click to expand...
Click to collapse
Horrible how us early adopters get rimmed...
To be honest, I think those three leads do nothing but placebo after looking at the board... But notice all the leads across the board which connect to the case itself. I think those would be a better spot for GPS and phone antennas... Wish someone had a technical diagram for us.
As for the HTC 10, I've heard good things... Just not sure I'll be able to sell this phone to buy one.
Signal still holding strong today... Getting massive signal with no drops.
Is this problem still present in current versions? Or was it fixed? I can't believe LG still sells this phone with GPS not working? I get a G5 the next days, how can I check if mine has this issue too?
How ? I don' know dude, maybe, but just MAYBE you could install gps status and check it.........
I just read the "fix" and I just realized that this fix is total garbage. It can't work.
"each nub has a little bent peice of metal facing upwards. Each one needs to be pushed up a little more. the problem was they are not hitting the ribbon connection to give them power on the back casing. "
Everyone with normal reasoning can totally realize, that this "mod" will eventually fail again, really really soon, mostly after a few days, and you can read that btw already by lots of people, for example here:
https://m.reddit.com/r/lgg5/comments/4u8m9p/how_to_fix_your_gps_fixed_in_10_minutes/
Metal tends to change after some time or temperature / pressure, and it will fail again.
Why did no one develop a clever, simple and working mod so far? Why not just soldering a bit of liquid silver on the three contacts, with a bit of metal plate on top to make it 1-2mm higher? Or just even more simple: Do it on the backplate contacts.
mkdr said:
I just read the "fix" and I just realized that this fix is total garbage. It can't work.
"each nub has a little bent peice of metal facing upwards. Each one needs to be pushed up a little more. the problem was they are not hitting the ribbon connection to give them power on the back casing. "
Everyone with normal reasoning can totally realize, that this "mod" will eventually fail again, really really soon, mostly after a few days, and you can read that btw already by lots of people, for example here:
https://m.reddit.com/r/lgg5/comments/4u8m9p/how_to_fix_your_gps_fixed_in_10_minutes/
Metal tends to change after some time or temperature / pressure, and it will fail again.
Why did no one develop a clever, simple and working mod so far? Why not just soldering a bit of liquid silver on the three contacts, with a bit of metal plate on top to make it 1-2mm higher? Or just even more simple: Do it on the backplate contacts.
Click to expand...
Click to collapse
To me, personally, I don't mind being a little bit critical, but with this response I think you are to direct and judgemental towards the topic starter. Topic starter has given his best to share his practice. And I agree with you this one will probably not last, but let's keep it friendly.
Sent from my LG-H850 using XDA-Developers mobile app
mkdr said:
I just read the "fix" and I just realized that this fix is total garbage. It can't work.
Everyone with normal reasoning can totally realize, that this "mod" will eventually fail again, really really soon, mostly after a few days, and you can read that btw already by lots of people, for example here:
https://m.reddit.com/r/lgg5/comments/4u8m9p/how_to_fix_your_gps_fixed_in_10_minutes/
Metal tends to change after some time or temperature / pressure, and it will fail again.
Click to expand...
Click to collapse
your answer is total garbage. ever seen a car that scraped on the ground because the shock absorbers failed due to temperature and high pressure just by existing?
unless you bend them over and over the method will most likely last for many years. you dont have a lot of forces acting on it.
if you make a fixed connection like soldering, the small dynamic forces would eventually weaken the material and it would break after some time. think before insulting somebody's idea
i don't think those are GPS antenna contacts.. as i used to observe that gps antennas usually have 1 or 2 contacts.. never 3! but they could do..
don't know if you read my topic about same issue and another "fix"..
at the moment we have 2 confirmed informations:
1) if you isolate detachable module pin connector you'll get no gps at all
2) gps will work good until you'll detach and reattach battery couple times.
this could explain why LG released this terminal which definitively passes any factory test! ...holy real day-use tests!
albenex said:
i don't think those are GPS antenna contacts.. as i used to observe that gps antennas usually have 1 or 2 contacts.. never 3!
Click to expand...
Click to collapse
we have 3 different gps systems on our phone so 3 makes sense. BDS (beidou) is only to be found on the newest hardware
lolmensch said:
we have 3 different gps systems on our phone so 3 makes sense. BDS (beidou) is only to be found on the newest hardware
Click to expand...
Click to collapse
thanks, i've also tried this fix and seems working.. but indeed volume rockers are nearby and no other connectors were found.. mistery grows up..
this fix save me, thanks for it, now the gps works fine
lolmensch said:
your answer is total garbage. ever seen a car that scraped on the ground because the shock absorbers failed due to temperature and high pressure just by existing?
unless you bend them over and over the method will most likely last for many years. you dont have a lot of forces acting on it.
if you make a fixed connection like soldering, the small dynamic forces would eventually weaken the material and it would break after some time. think before insulting somebody's idea
Click to expand...
Click to collapse
You can read, right?
1. look at the link. lots of people already claimed the """mod""" lasted about 2-5 days, then the problem came back.
2. what are you talking about!? Those contacts between the board and the backplate are based up on pressure. The mod just says "try to bend them upwards a bit". THIS MEANS IT WILL TOTALLY GO IN ITS BASE POSITION AGAIN REALLY SOON. It can't work.
3. back to, if you can read. Where did I say soldering it? Right, no where. I said put some layers of conducting anything on the backplates contacts to grow its height.
Not enough forces acting on them? Seriously? So to your logic, this means this problem wouldn't occur in the first place. Pressing with your fingers on the cover at that very place mostly is enough to push them back every time a little bit., also because they're at the very edge of the cover.

Fan Mod PX5 PX6

Hello Android Radio friends,
I have thought a lot about how to solve the problem of overheating Android devices with PX5 and PX6 processors. Next summer will come for sure.
My specially designed passive heat sinks are probably known by some people.
This time, I'm going to focus on active cooling + heatsink.
It was important that as many people as possible can use this method. It should be as easy as possible to install, even by people who have no manual skills.
Therefore I created 3D models of different top covers which you can easily print out if you have a 3D printer.
In this lid there are already the drillings for mounting a fan. I make the whole project available for the community on Thingiverse. I also add number 1 - 22 to each 3D model. If someone doesn't find the 3D model for his own top cover. Tell me the dimensions. I will create the 3d model. Let's make a collection of compatible devices.
Because high temperatures can occur in a car in summer, I used ABS as material. This can withstand temperatures up to 100°C.
Of course you could also drill a big hole in the top cover. But it does not look so nice. ?
If someone doesn't have a 3D printer. There are many different websites that offer 3D printing at low prices.
In the video I also show some used fans and some methods of power supply.
German video on YouTube
https://youtu.be/U36MYCj7FfY
English video on Youtube
https://youtu.be/U36MYCj7FfY
The whole project on Thingiverse
https://www.thingiverse.com/thing:4240690
What do you think of this project?
Alex
Update 10.07.2020
Meanwhile there are 22 different 3D models.
Nice ideas.
Had some thoughts about that first minute I unpacked radio upgrade for my car, PX6 unit. It has some perforations on the back but it is all closed underneath with plastic so I think almost no air circulation happens there. Yeah it is 2DIN with aluminium heatsink on the back, and yes in my car ventilation is right above it but - I don't like it. Maybe some holes could help.
I'm writing this because of an experience with completely different thing, had annoying fan noise on an instrument amplifier, which was at 100% all the time. No matter how it was used or maybe unused at the time, noise was unbearable. Manual control is too dangerous because I know sooner or later I would forget to turn it up when needed, but it can be automatic so quick and nice fix was temperature control board: https://www.aliexpress.com/item/32886053224.html . I think it could work nice for projects like yours :good:
Is the fan mod really useful?
Does anyone else use a fan in his HU?
iMattmax said:
Is the fan mod really useful?
Does anyone else use a fan in his HU?
Click to expand...
Click to collapse
simply useless. If you switch stock thermal pad with a better quality one and install a good heatsink all is done. I did it one year ago and nothing more is necessary.
Consider that PX5 is a 5W SoC so a passive cooling is more than sufficient to remove heat
giouncino said:
simply useless. If you switch stock thermal pad with a better quality one and install a good heatsink all is done. I did it one year ago and nothing more is necessary.
Consider that PX5 is a 5W SoC so a passive cooling is more than sufficient to remove heat
Click to expand...
Click to collapse
Definitely not useless. Did you see the temperatures in combination with a heatsink?
A fan in the top cover cooling down the whole device.
Ati_gangster said:
Definitely not useless. Did you see the temperatures in combination with a heatsink?
A fan in the top cover cooling down the whole device.
Click to expand...
Click to collapse
Yes, I performed a torture test and SoC temperature during this test was between 70-80°C (never reached during normal use). So as I stated before: a 5W SoC can easily be cooled passively. If you want to increase noise, failure probability of the fan and dust inside the radio, you can but it's not necessary at all. I have experience in cooling CPUs (also with massive overclock) for decades, this is not my first experience.
Moreover my radio is working passively since last year and I've nevere experienced stuttering or problems due to heat.
Other parts of the radio are not hot at all.
Awesome job Alex, and great video. Comprehensive tests too. Thanks so much for your hard work
giouncino said:
Yes, I performed a torture test and SoC temperature during this test was between 70-80°C (never reached during normal use). So as I stated before: a 5W SoC can easily be cooled passively. If you want to increase noise, failure probability of the fan and dust inside the radio, you can but it's not necessary at all. I have experience in cooling CPUs (also with massive overclock) for decades, this is not my first experience.
Moreover my radio is working passively since last year and I've nevere experienced stuttering or problems due to heat.
Other parts of the radio are not hot at all.
Click to expand...
Click to collapse
70 to 80°C under which conditions?
What outside temperature?
Device 1Din or 2Din?
Cover open or closed?
Air conditioning on?
The advantage of active cooling is that not only the CPU is cooled, but also all other components such as voltage regulators, capacitors, amplifier chip and other microchips.
And if the 5€ fan should break after years, it's still better than if a 300€+ device breaks down.
Ati_gangster said:
70 to 80°C under which conditions?
What outside temperature?
Device 1Din or 2Din?
Cover open or closed?
Air conditioning on?
The advantage of active cooling is that not only the CPU is cooled, but also all other components such as voltage regulators, capacitors, amplifier chip and other microchips.
And if the 5€ fan should break after years, it's still better than if a 300€+ device breaks down.
Click to expand...
Click to collapse
I tested a lot with and without heat sink and fan, same as you did.
By the way... Thanks a lot for providing the 3-D-images to print the top cover. :highfive:
I printed the top cover for my head units to be used with a 80mm "be quiet" fan, which is really not audible if the unit is mounted in the dash board. Even on bench test the fan is really quiet.
The CPU temperature of all my 2-DIN units got down from (in Throttling Test) ~95°C down to max 48°C. Throttling was a real an issue. Up to 55% throttling without cooling down.
With normal usage (navigation with active route guidance, some Tasker tasks in background working, audio decoding active) the CPU is cooled down from nearly 80°C to ~30°C at ~25°C outside temperature, which is much more comfortable for all the parts in the unit and resolved the throttling issues to less than 5-10%, dependent of the unit.
Tested on:
PX5 (RK3368)
CSN2 (RK3368) ...which was delivered with a complete closed top cover. I got temperatures without any running apps of something about 85°C, because no ventilation was possible.
RL7A (RK3399)
SC9853i
Guys I’m in search for heatsink that fits my 1din PX6 unit. Do you have the measurements for the module size I need to cover with the heatsink?
Thanks
Sent from my iPhone using Tapatalk
I added this to mine:
https://www.amazon.com/dp/B07RYK3J41/ref=dp_prsubs_1
the temps on my px5 swap were 90c which is way too hot for my liking, with this it never went above 60c and you cant hear any noise.
Hi, great job. Congratulations. Anyway, where to buy Alex's android fan kit from?
Geox70 said:
Hi, great job. Congratulations. Anyway, where to buy Alex's android fan kit from?
Click to expand...
Click to collapse
Directly from him. Search for his channel on YouTube, there is somewhere his WhatsApp number written. Just contact him over there and ask for fan kit.
Don't know if this is the right location to post this but I just purchased a Vanku px6 4/64 and had every intention of at least putting a heat sink on it and I was pleasantly surprised to find this.. and it was even secured with screws. Win win View attachment 5114453
Sent from my SM-N986U using Tapatalk
View attachment 5114487
Sorry don't know why the picture isn't showing. It is a pretty robust heat sink.
Sent from my SM-N986U using Tapatalk
My solution is a low-noise 12v fan stuck on top of the heatsink with strong double-sided mounting tape. Works like a charm.
Attached is the picture I was trying to show earlier. This is the stock heatsink in the Vanku
Edit:
Sorry, I give up. I can't get the pic to show.
I simply put an old intel mobo southbridge chip heatsink on a px6, some of them are very large
It has very long fins (over 1 1/4 ") by chance i could mod it to put longer screws to hold the px6 in place with the added heat sink
Fully passive, never had any problems
I simply run my PX6 with no lid. Makes zero difference to induce RF noise etc and my temps are cut in half for free.
Kudos to Alex (Ati_gangster)!
Simply sent the width of the original cover and the position of the two side holes and the size of the favorite fan (not included in the scope of delivery) via WhatsApp and two days later I had my cover in the mailbox. The fit is great and my fan fits perfectly into the existing holes.
My fan:
https://www.amazon.de/dp/B08WHMP2CD/ref=cm_sw_r_apan_i_6X7857YXKXYD8QC9SYDB?_encoding=UTF8&psc=1
(trial assembly, still without fan)

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