over heating issue on early model of kenzo - Xiaomi Redmi Note 3 Questions & Answers

I am not sure if it is confirmed issue. I remembered quite a number of report of early variance of kenzo owner found the phone be quite hot even it is idle.
I am also experiencing this issue. Idle temperature easily goes up to 65 degree (pa_therm1).
I don't think it is normal for an idle phone. Another some other users having this value as low as 35 so I thought it could be hardware issue. Can anyone confirm this?

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This is mine with only wifi and browsing...
If only one sensor reads high value it can be just showing you incorecctly

mcdull said:
I am not sure if it is confirmed issue. I remembered quite a number of report of early variance of kenzo owner found the phone be quite hot even it is idle.
I am also experiencing this issue. Idle temperature easily goes up to 65 degree (pa_therm1).
I don't think it is normal for an idle phone. Another some other users having this value as low as 35 so I thought it could be hardware issue. Can anyone confirm this?
Click to expand...
Click to collapse
I don't know if you use any kernel tweaking apps, but the cpu sometimes tends to be stuck on performance governor.
Sent from Note 3, Xiaomi Redmi Note 3.

No. I did not. And I have left the phone overnight idle and just recorded 55C pa_therm1
And most time it was in deep sleep.

Denis:) said:
This is mine with only wifi and browsing...
If only one sensor reads high value it can be just showing you incorecctly
Click to expand...
Click to collapse
Your pa_therm1 is strangely low as well...

Nah thats fine..if the phone is not hot dont worry

if something is running that hot around 65c you will feel it through the metal chassis, if you phone is cold to the touch all around then I don't think there is anything to worry about, it could just be a fake unhooked up sensor, or uncalibrated even defective, as far as I know the pa_therm is related to the voltage regulator, and most often quality vregs can handle very high temps.(140~c)

My worry would be unnecessary thermal throttling that would affect performance.

mcdull said:
My worry would be unnecessary thermal throttling that would affect performance.
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man mine sometimes heats up to 41 deg celcius on 2.3 ghz oveclocked kernel but i can feel it goes warm on my hand , so if you can't tell if its heating by holding it then no need to worry.
perhaps if yours IS really heating up you should go find the cause , ie the app that goes on infinite loop of restarting its service .

Related

OC info

OK changing the question: what are the differences between 729 and 787 as Max for you? Don't answer if your phone crashes! What are the differences for performance/battery between them?
The highest level you can OC is 864Mhz. It affects CPU life and battery life A LOT!
Decrease the CPU speed can save the battery, but it also can make your phone slower...
thachtunganh said:
The highest level you can OC is 864Mhz. It affects CPU life and battery life A LOT!
Decrease the CPU speed can save the battery, but it also can make your phone slower...
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Hehe you answered exactly how I expected the answer... I expected, but not wanted, already knew
Does setting to 787 decrease CPU life (heard of any G1/G2 with burned CPU?)
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Seek the signature below the line
In my opinion I think after some time over clocking your going to come across some problems like battery frying phone over heating I haven't heard of anyone's CPU frying yet but it can happen but I think by the time you have used a few roms and done some experimenting and something dose go wrong a new p500 only going to cost u around £30 just take the risk
> about OC'ing, it affects diode life, chips are made with diodes, and it is computer related aswell, overclocking causes cpu diodes life to be shorten out, overclocking means more current, more current means more heat, more heat will cause diodes to be busted out easily, but I never head anyone here complained about a bricked O1 becoz of over clocking.. this is as far as i know, I also want to know if 600 and 806 are in same voltage? ta kernels had this undervolt features.. it means lower voltage some frequencies isn't it? but undervolt causes more heat, why?
I have a 787 MHz maximum stable frequency. In the matter of performance / battery life to save the answer is simple:
The higher the frequency of the processor, the better the performance, but consumes more battery power, as well as its temperature rises. To play well, the battery is bad

[Q] 100% battery several minutes after unplug..

I dunno, maybe its not quite problem, just curious. When I had Palm, there when I unplug my phone, it immediately turn 99, which is normal I guess, because from mathematic view, hope you will understand.
But on my SGS2 I have 100 for some time. I am using Battery widget for monitoring battery, so I see, when I charge there was 4188 mV (calibration used here), I unploged, now it is 4150mV, and still 100%. Weird.
So is there something with it?? Do you have the same with it guys??
Thanks for replies.....
Retko85 said:
I dunno, maybe its not quite problem, just curious. When I had Palm, there when I unplug my phone, it immediately turn 99, which is normal I guess, because from mathematic view, hope you will understand.
But on my SGS2 I have 100 for some time. I am using Battery widget for monitoring battery, so I see, when I charge there was 4188 mV (calibration used here), I unploged, now it is 4150mV, and still 100%. Weird.
So is there something with it?? Do you have the same with it guys??
Thanks for replies.....
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Nothing is wrong. Android uses deep sleep feature which allows it to drain very little energy while locked and throttling while idle, so you'll stay at 100% for a while. That's perfectly normal.
Also if battery loses some of it's physical capacity over time due to charging cycles - the new, lower capacity value will still be reported as 100% when fully charged, it'll just go down faster.
wow is this thread ridiculous.
back in the day, people were satisfied with 3 or 4 battery bars, just to be generally informed whether they would have to charge the device next week or the week after and these days people are obsessed with their battery life (partly due to it being generally poor). i can understand the many people who are falsely claiming the android os bug, most of which are just unable to understand percentages, other people want to show off their battery life by running the phone in airplane mode and never installing any apps, just to show off "who has the longest", while robbing their phone entirely of its purpose...
and here we are, debating about fractions of % of the battery level which mean absolutely nothing.
i guess it makes sense, that 100% stays for longer than a second, because until 99.5 percent, it would round up. or maybe it counts from 100.0 to 99.1 and only when the .0 digit is triggered, the number goes down by one, effectively most of the time showing you 1% more than you have, but honestly, WHO CARES?

Undervolting? whats safe/best for battery?

Im using SiyahKernal and I'm curious about undervolting.
I want a safe/ok combo that will be smoothish and fastish but good for battery.
I'm currently running the cpu at 900mhz using extweaks.
Any suggestions? what're your settings?
Undervolting takes time and patience.
Start with -25 first and test if it is stable for a day or two.
If it is, move on to the next step.
Personally I didn't undervolt yet because it seemed to lower my average benchmark scores. Overclocked to 1704 and get 63k average in quadrant!!! (Not that it really matters in daily use...)
Yes do it in steps. The only danger is too low a voltage will cause a reboot when idle if theres not enough power to keep going.
I got mine to -100 for every step, stable. This means Samsung were generous with their voltages IMHO, but OEM's generally are. HTC are the same.
rootSU said:
Yes do it in steps. The only danger is too low a voltage will cause a reboot when idle if theres not enough power to keep going.
I got mine to -100 for every step, stable. This means Samsung were generous with their voltages IMHO, but OEM's generally are. HTC are the same.
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Thats amazing! how was your battery?
So the only danger is a reboot? no damage? apart from the obvious loss of work unsaved or game etc.
Not really bothered about benchmarking. just battery life with at least an 'ok' performance. i can easily set it up later when i need performance.
Just really love this phone and am mosty working all day.
Not really for undervolting. Its over volting that causes damage. Battery is ok. Not amazingly better. Cell Standby is killing me.
rootSU said:
Not really for undervolting. Its over volting that causes damage. Battery is ok. Not amazingly better. Cell Standby is killing me.
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yeah cell standby is a big hog. it drains more than 45% of my battery every charge
Only posted yesterday on Jayce Ooi's Paradise
How to undervolt Samsung Galaxy S3?
http://www.jayceooi.com/2012/06/20/how-to-undervolt-samsung-galaxy-s3/
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Little Heating issue

Hello friends,
I was feeling little wariness while I am holding my device in my hand and when I checked my device temperature with Cpu-z I got these readings. So please confirm is this really a concern for me or not.
Thanks
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Sent from my ONE E1003 using Tapatalk
Woah buddy those are some heavy temperature readings there. I have not encountered any heating issue except while installing custom roms or using the phone while gaming in high brightness. I think the fact that you were using your phone while it was being charged increases the device's temperature greatly and caused the problem because even my device heats up like crazy.
bindaasdude99 said:
Woah buddy those are some heavy temperature readings there. I have not encountered any heating issue except while installing custom roms or using the phone while gaming in high brightness. I think the fact that you were using your phone while it was being charged increases the device's temperature greatly and caused the problem because even my device heats up like crazy.
Click to expand...
Click to collapse
These readings I noted after my phone booted up after 'optimizing apps....' but truly speaking I am feeling only little warmness.
While charging my phone temperature fluctuate between 45-50
This is my current temp reading while I am charging and typing this reply and I am feeling only little warmness[emoji14]
Is this reading normal or I have anything to worry about[emoji14]
Thanks
Sent from my ONE E1003 using Tapatalk
It is normal for the device to get warm when it reaches the optimizing apps screen because the brightness is set to max at default and processor is continually used. You have nothing to worry about mate.
Vaas_FC said:
These readings I noted after my phone booted up after 'optimizing apps....' but truly speaking I am feeling only little warmness.
While charging my phone temperature fluctuate between 45-50
This is my current temp reading while I am charging and typing this reply and I am feeling only little warmness[emoji14]View attachment 3665583
Is this reading normal or I have anything to worry about[emoji14]
Thanks
Sent from my ONE E1003 using Tapatalk
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Click to collapse
Yup, it's pretty normal. Also it shows cpu temperature not your device's temperature. I can see that you have boeffla kernel installed, so be aware of modding too much with kernel settings. Thermal throttling is enabled in the kernel so no need to worry.
New temp which I obtained after stress test
Sent from my ONE E1003 using Tapatalk

What's your lowest stable voltage?

Mine is -100mv on blu.spark and Ashwin's CM13. Never had any problems with this voltage.
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I'm always using - 100 undervolt.
Sent from my ONE E1003 using Tapatalk
I'm stable at - 95
-100 was unstable for my OPX
Working on Swell-V8... I'm quite happy with this setup
It depends on individual phone. Subjective
Here is my setup. Using Boeffla's kernel and his app. Also, with this uv profile there are no more overheatings. The phone stays quite cold even on gaming and stuff like that.
-75mV overall. 100 was a bit unstable, maybe 90 could work but this way I'm completely safe.
As I already said, I'm on -100, but I still have high heating... 55°c when playing Minecraft for 20 minutes.
RJDTWO said:
Working on Swell-V8... I'm quite happy with this setup
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Did you undervolt to an overall value or different for different frequency?In OOS, I had freezing even with - 25 mV.
saurabh40629 said:
Did you undervolt to an overall value or different for different frequency?In OOS, I had freezing even with - 25 mV.
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Click to collapse
Different for frequency
RJDTWO said:
Different for frequency
Click to expand...
Click to collapse
How do you do that? Once i tried, hit one wrong voltage, and phone never booted to system.
saurabh40629 said:
How do you do that? Once i tried, hit one wrong voltage, and phone never booted to system.
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Patience. You find the lowest for each in 25mv increments and from there tune them. It's tedious. Obviously if you enter a random voltage then it don't work. If you don't entirely unfetdtand PLEASE read up on it or you will fry your phone
Currently at -100 to -125mv on Boeffla. No fc's or reboots since I started using these voltages.
-100mV on BluSpark kernel, no freezes, no reboots.
If you use Kernel Auditor, "Boot on system start" gets activated several seconds after the phone has started, so you can revert any errors in normal cases.
I can go -60mV, no more on bluespark v128.
If i go more than -60mV, i get reboots sometimes after 12hours or after 2-3 days

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