[Q] Bricked Rooted LG G2 After OTA, No Download Mode - Android Q&A, Help & Troubleshooting

I have the D-800 AT&T LG G2, It was rooted with KitKat 4.4.2. After I rooted my phone, I tried several different ways to install TWRP onto it. I tried FreeGee, adb shell, and straight from TWRP App, nothing worked, because when I tried to boot into TWRP it would just come up with the LG Logo and "Secure Boot Error" and "Certification Error" or something like that, then be a blank screen. I then just held the power button to turn it off, and it would turn back on and run fine, no problem. I figured it never installed right, and so I left TWRP alone. I know you are not supposed to take an OTA after install TWRP, but thinking TWRP never installed on the phone, I took the OTA, and now it will do the "Error" messages and blank screen, but my power off, power on trick doesn't work anymore. I can boot into Recovery Mode, but when I do a Factory Reset, the screen just goes blank. I have tried to put it into Download Mode by pressing Volume Up + Power when hooked up to a PC, but nothing happens. I feel as though its a tough brick. Please Help!

Dirk1616 said:
I have the D-800 AT&T LG G2, It was rooted with KitKat 4.4.2. After I rooted my phone, I tried several different ways to install TWRP onto it. I tried FreeGee, adb shell, and straight from TWRP App, nothing worked, because when I tried to boot into TWRP it would just come up with the LG Logo and "Secure Boot Error" and "Certification Error" or something like that, then be a blank screen. I then just held the power button to turn it off, and it would turn back on and run fine, no problem. I figured it never installed right, and so I left TWRP alone. I know you are not supposed to take an OTA after install TWRP, but thinking TWRP never installed on the phone, I took the OTA, and now it will do the "Error" messages and blank screen, but my power off, power on trick doesn't work anymore. I can boot into Recovery Mode, but when I do a Factory Reset, the screen just goes blank. I have tried to put it into Download Mode by pressing Volume Up + Power when hooked up to a PC, but nothing happens. I feel as though its a tough brick. Please Help!
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Bump Please. Same Exact Problem With Me, Rooted, Couldnt Get A Recovery Installed (Even Though I've Literally Been Doing Custom ROMs Since The G1 Released) And As Of The Other Day, AT&T Kept Bugging Me To Update To 4.4.2, Even Though I Was Already At 4.4.2. I Kept Declining, But Today My Battery Died, And When It Turned On, It Automatically Installed It, And I'm Getting The Same Errors And Everything.

Send It In
dotjsx said:
Bump Please. Same Exact Problem With Me, Rooted, Couldnt Get A Recovery Installed (Even Though I've Literally Been Doing Custom ROMs Since The G1 Released) And As Of The Other Day, AT&T Kept Bugging Me To Update To 4.4.2, Even Though I Was Already At 4.4.2. I Kept Declining, But Today My Battery Died, And When It Turned On, It Automatically Installed It, And I'm Getting The Same Errors And Everything.
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I could not find a fix for this problem. Instead, I sent it back saying that it updated automatically and then it didn't work. They can not tell that you have rooted it, because it is so messed up, SO DONT TELL THEM THAT YOU DID! It'll take about 2-3 weeks foe it to be sent back. It'll be free as long as you are under warranty. Just talk to a customer service person on LGs Online Customer Service people. I hope this helps you out!

Dirk1616 said:
I could not find a fix for this problem. Instead, I sent it back saying that it updated automatically and then it didn't work. They can not tell that you have rooted it, because it is so messed up, SO DONT TELL THEM THAT YOU DID! It'll take about 2-3 weeks foe it to be sent back. It'll be free as long as you are under warranty. Just talk to a customer service person on LGs Online Customer Service people. I hope this helps you out!
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Thanks For The Suggestion. Ironically, I Was Just At The AT&T Store Because They Were Selling Otterbox Defenders For 25 Bucks, And I Told The Guy That My Phone Was Rooted. I'll Have To Go To Another Store. I'm Working On The Linux Fix As We Speak, So Hopefully I Wont Have To Send It In.

dotjsx said:
Thanks For The Suggestion. Ironically, I Was Just At The AT&T Store Because They Were Selling Otterbox Defenders For 25 Bucks, And I Told The Guy That My Phone Was Rooted. I'll Have To Go To Another Store. I'm Working On The Linux Fix As We Speak, So Hopefully I Wont Have To Send It In.
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I have tried the Linux fix, that didn't work for me, hope it works out for you. Talk to LG, they are the ones who will fix it. You will have to send it to them. I used United States Postal Service, it costed me like 9 dollars, which isn't bad. Good Luck!

Related

Black Screen Maybe Bricked!!!!

Okay so I was running CM9 3/22/2012 just fine. I noticed a nightly went up listed as 3/23/2012. So I downloaded and clicked on the downloaded file, for some reason Rom Manager took over and asked if I wanted to go into CWM. So I agreed and it took me to the AT&T screen with the exclamation mark. I then rebooted and got stuck on the same At&T screen. So I decided to use Odin to go to stock and start from scratch. For some reason Odin 1.81 was supposed to go back to stock with Root. For some reason it got stuck I turned off my phone and now it is unresponsive to most of the tricks listed on this forum.
So will a jig get me out of this jam, a quick search pulled up nothing reliable or I would have to wait 3 weeks to receive, I need it this week like tomorrow if possible.
Searched the forums before going to work real quick couldn't get anything concrete So I'm posting this and I will search some more when I get to work.
Thanks for any help.
logicrulez said:
Okay so I was running CM9 3/22/2012 just fine. I noticed a nightly went up listed as 3/23/2012. So I downloaded and clicked on the downloaded file, for some reason Rom Manager took over and asked if I wanted to go into CWM. So I agreed and it took me to the AT&T screen with the exclamation mark. I then rebooted and got stuck on the same At&T screen. So I decided to use Odin to go to stock and start from scratch. For some reason Odin 1.81 was supposed to go back to stock with Root. For some reason it got stuck I turned off my phone and now it is unresponsive to most of the tricks listed on this forum.
So will a jig get me out of this jam, a quick search pulled up nothing reliable or I would have to wait 3 weeks to receive, I need it this week like tomorrow if possible.
Searched the forums before going to work real quick couldn't get anything concrete So I'm posting this and I will search some more when I get to work.
Thanks for any help.
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not sure why you would even be using Rom Manger other then maybe renaming backups. This is i known issue with our phones and Rom Manager and has been stated way too many times. Try holding the power button down for a while to see if it resets. A jig is going to put you in download mode so that you can use Odin again.
Thanks for the reply. Yes I have heard of issues with Rom Manager and i stopped using it. But for some reason or another I kept it on my phone and idiotically agreed to having it put me into CWM. Also I kept the battery in the phone till I got to work, pulled it out of my bag to try the suggestion that was given above and noticed my phone is warm. Not sure what's up with that, I immediately pulled the battery and will let it cool for a while and then I will try with the above suggestion.
Can you recommend a jig for our phones or does any jig work on any phone.
Thanks for all your help and wisdom.
logicrulez said:
Thanks for the reply. Yes I have heard of issues with Rom Manager and i stopped using it. But for some reason or another I kept it on my phone and idiotically agreed to having put me into CWM.
Can you recommend a jig for our phones or does any jig work on any phone.
Thanks for all your help and wisdom.
Click to expand...
Click to collapse
you can get a jig from just about anywhere. you probably dont need one though. have you even tried manually putting your device into download mode by powering down the phone, plug usb into comp, then holding down both volume buttons, then plugging in the device?
http://www.ebay.com/sch/i.html?_fro..._nkw=galaxy+s+2+jig&_sacat=See-All-Categories
Yes I have held the power and up/down volume buttons(that's what works on my phone) and plugged usb into phone while it was plugged in to my computer to get into download mode but nothing happened. Too late I already ordered a jig as I am despearate and hopefully it will be of further use in the future. I also tried holding the power button down for a while and still nothing. Hopefully the jig comes in a couple of days and works.
Thanks for all your help and wisdom.
Okay, so I got my jig today and put it into my phone and nothing happened. I put my phone on the charger and left it til I got home so it should be charged up.
So am I bricked or is there any other options I can try.
Thanks for your help.
Did you try holding both Vol and power keys (all 3) together for 30 seconds? It's saved my bacon a few times, despite how nonintuitive it seems. Also try the USB thing with battery removed, or try putting USB in and inserting battery while holding all 3 keys.
Still a no go I'll call warranty to see if I can get it replaced. If not I'll just wait for sgsiii to come out since its supposed to come in April now.
Thanks for all your help!
If your phone locked up while flashing bootloaders..

[Q]Bootloop Issue

Ok, so my fiancee's at&t note is stuck in a bootloop. I had it running on Blackstar, and since giving it to her hadn't bothered messing with the setup as it was stable. On her way home from work she apparently left the phone in her truck while making a stop in 92 degree weather(Farenheit). Now it will show both Samsung screens and then bootloop. I did some searching here on the forums and have tried everything I can find/think of. Here's a list of everything I've done:
1. Booted into twrp recovery, wiped data, cache, and sdcard for good measure.
2. Got to lockscreen, bootloop.
3. Used ODIN to push Samsung stock files onto phone, including recovery.
4. Got to AT&T easy setup screen, bootloop.
5. Used stock recovery to do hard reset.
6. Still bootlooping from second Samsung screen.
7. Removed back of phone, cleaned power button.
8. Still bootlooping.
I should note that the phone never booted itself after a battery pull, but I figured cleaning the power button couldn't hurt any.
Is there anything else I can try before going to at&t to have it fixed?
UPDATE: Thanks rangercaptain for that. I had totally forgotten Kies had the Firmware recovery. Unfortunately, it didn't work. And AT&T, well, we all know how they are about out of warranty phones. So I'm seemingly stuck, but I did have a thought. If the battery overheated, and malfunctioned, could it cause this? Would it be worth the 10 bucks to order a replacement OEM battery on Amazon and see if it fixes it?
Kies emergency firmware upgrade. Factory cable. Rear (powered) usb port on pc. Battery fully charged. Serial and model number under battery (all capital letters). Pray.
Don't quote, reply. If you quote, edit.
The battery try might be worth a shot. If not.... Surely mobiletechvideos could fix it. If they can be brought back from the dead, surely they can be brought out of bootloop.
Sent from my SGH-I717 using Tapatalk 2
darthmalgus said:
UPDATE: Thanks rangercaptain for that. I had totally forgotten Kies had the Firmware recovery. Unfortunately, it didn't work. And AT&T, well, we all know how they are about out of warranty phones. So I'm seemingly stuck, but I did have a thought. If the battery overheated, and malfunctioned, could it cause this? Would it be worth the 10 bucks to order a replacement OEM battery on Amazon and see if it fixes it?
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Click to collapse
Definitely try the battery. I had exactly this same problem, and even though the old battery seemed to be taking a charge, it was still screwing everything up (in the same ways you described). A new battery fixed everything*.
* - Ok, it actually it took a couple ROM reinstalls, to fix everything I apparently screwed up while trying to fix the devices before switching out the batteries.
Thanks for the info. I went ahead and ordered a new bateery, it'll be here Monday, so hopefully that works. I have the phone flashed stock with Kies at the moment, so I would hope I don't have to do any more reflashing if the battery is the issue.
Yeah i have the same issue. I was running blackstar. I had some issues occasionally with it crashing, nothing major. decided to install JB once ATT had official out. Wiped, installed, gets to att logo and reboot... please post your fix if it works. I have a second battery. I'll give it a shot but I have been keepeing it plugged in while doing these things and it still doesnt work.
"Wiped, installed, gets to att logo and reboot..."
If you're getting to the att logo, it may not be a battery problem. I'd suggest reinstalling the update after manually wiping everything using CWM.
Matt Bernius said:
"Wiped, installed, gets to att logo and reboot..."
If you're getting to the att logo, it may not be a battery problem. I'd suggest reinstalling the update after manually wiping everything using CWM.
Click to expand...
Click to collapse
Tried a couple flashes, with the debloated and bloated Roms based on Official JB. I can get to the getting started screen sometimes. typically I hit the next button and it goes into bootloop. once or twice i was able to select the next button and get to the next screen before it crashed. I'm thinking it's dead but.... idk.
This fixed my issue...
Replaced battery and yeah. I'm all better. so odd.. shrug. The other wasn't giving any indication that it was actually defective.
Awesome ... final step ... change the title to include solved :victory:

Restoring A LG G2 VS980 From Verizon Back To Stock?

So I'm trying to help a friend fix his G2. It's a VS 980 that uses 12b software (I have the kdz file downloaded) for this phone. The problem is I've looked at tutorials on this website and none of them have helped me thus far. With the LG Reflash tool they allow you to choose a USB driver for your device which goes up to VS910 but not vs980.
When you boot the device it just says fastboot mode started ubc.start() fastboot processing commands.
I believe my friend told me too that he removed basically everything from the phone to try and reflash the default stock ROM. What are the options what should I Do?
It gets worse. So I've tried re-flashing the phone and I've gotten nowhere. No it's so bad that the phone won't turn on at all EVEN INTO FASTBOOT, but instead just has a red blinking light.
This is also unnerving since I have the same phone and I'm starting to think Verizon never wants you to restore this if there's ever a problem. Probably so they can get more money and bring your phone in and get an early upgrade.
ableright said:
It gets worse. So I've tried re-flashing the phone and I've gotten nowhere. No it's so bad that the phone won't turn on at all EVEN INTO FASTBOOT, but instead just has a red blinking light.
This is also unnerving since I have the same phone and I'm starting to think Verizon never wants you to restore this if there's ever a problem. Probably so they can get more money and bring your phone in and get an early upgrade.
Click to expand...
Click to collapse
I have used the TOT method several times with no issues.

Weird situation, phone mysteriously not starting, any insights?

Hi there! Long time reader, first time poster (TL;DR below...but it should be a quick read anyways )
So I've been using this S2 of mine for almost 4 years now, haven't had any trouble (other than a couple of battery swaps). For the past 6 months or so I've been using CM 12.1 nightlies without issue.
The events:
- The other day, my phone froze (I wasn't using it when it froze, it was when I went to use it that I noticed...it was on the wifi selection screen if it matters), so I held the power button to shut it down, and when I powered it back up, it just froze at the Samsung boot screen (with the usual yellow triangle).
- At this point, I was able to reboot into download mode at will, but any attempt to boot to recovery just led to the freeze at the Samsung boot screen. Also, the phone would automatically reboot itself at this point any time I inserted the battery (I was of course putting the battery in and out trying everything I could).
- I would have reflashed from Odin at this point, but since I was away for a few days I just kept trying to reboot into recovery, to no avail. On one of these attempts (power+vol up+ home) it showed the Samsung boot screen, and then immediately shut down and I haven't been able to get anything onto the screen since
I'm now home, and I can't seem to fix it. If I plug the phone into a charger, the top half or so of the phone gets warm, and it also seems to get warm if it isn't plugged in and I try to power it up. I was thinking maybe the phone was maybe doing the same thing as before and just not showing anything on screen, but I blindly do the steps to get it into download mode, and Odin doesn't recognize anything (drivers are definitely installed). I have also tried other batteries, no luck.
Any ideas of what I might try? I'm willing to do anything. For the record nothing happened to the phone at all when this all happened (no dropping or water damage or anything, just my attempts at booting into recovery). Maybe I should try a jig? I'm also open to opening the phone if there's something I can do, though I don't have experience with this.
Thanks so much for any suggestions!
TL;DR: phone froze (running CM 12.1 nightly), held power to shut it down, and then consistently froze at the boot screen on any attempts to power it on. After a few attempts at booting into recovery (the phone would only freeze or enter download mode) the screen suddenly shut off and I haven't seen anything on it since no matter what I try. I can't think of anything that happened to the phone I'm open to any and all suggestions! Thanks
One sentence amongst your description stands out like a 'sore thumb'.....
That the device heats up towards the top when you attempt to charge it.......
Until you try a jig I can't be certain, but that heating coupled with a dead/unresponsive screen along with a lack of recovery and/or download modes (download mode is 'hardwired' into the device, and NOTHING should be able to corrupt it) are the primary symptoms of a failed motherboard.......
That is my opinion based on my experience in these forums and personal experience with a (now dead) S2 (one of two that I own).........
Get the jig just to be sure, but I'd be surprised if it had any effect.....sorry to be typing something you don't want to read, but you said it yourself, the device is 4 years old....it's been in service roughly twice as long as most smartphones, and they don't last forever....
http://i.imgur.com/rVnFwJM.jpg
Thanks dude! It's nice to have some idea of what happened. I am indeed very happy my phone has lasted me this long, and my friend is gonna give me an extra S2 she has anyways it seems so it's all good!
I'll try the jig and update here with the result (I ordered one online...will arrive in January sometime)...just in case anyone is curious.
smacsmac said:
Thanks dude! It's nice to have some idea of what happened. I am indeed very happy my phone has lasted me this long, and my friend is gonna give me an extra S2 she has anyways it seems so it's all good!
I'll try the jig and update here with the result (I ordered one online...will arrive in January sometime)...just in case anyone is curious.
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Yeah....be good to know the results.....If only to confirm or refute what I've suggested.....
http://i.imgur.com/rVnFwJM.jpg
keithross39 said:
Yeah....be good to know the results.....If only to confirm or refute what I've suggested.....
http://i.imgur.com/rVnFwJM.jpg
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Sorry it took me a while...the jig was in the post haha. It didn't do anything at all (no response when I plugged it in) so I think it's safe to say you were bang-on and the motherboard failed! Happily using a new S2 (with CM13.0 now ) on behalf of my friend though.
Thanks again.
Sounds familiar. Happened to me also due to failed cyanogenmod update (CM13). Only thing that works is download mode, so i'm not given up hope yet.
I can't post a link but google ''Apply Update Failure samsung galaxy s II'' there's a thread about this on the cyanogenmod forum.
Elaias said:
Sounds familiar. Happened to me also due to failed cyanogenmod update (CM13). Only thing that works is download mode, so i'm not given up hope yet.
I can't post a link but google ''Apply Update Failure samsung galaxy s II'' there's a thread about this on the cyanogenmod forum.
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Click to collapse
oh mine was just straight up dead...no download mode or anything visible on the screen (and nothing to do with CM13 either)
hope you get yours sorted out! have you tried reflashing anything via Odin while in download mode?
Its hard to tell you and hard to accept. You can almost give up the hope, your NAND Chip is just what we call " wear-out ". In the most cases no write is possible anymore, the funny part is -> sometimes read is still fine. If that is the case: The system is booting and working, but saving just nothing. The NAND is frozen to its state before it broke.
At our local store, customers come to us with issues like " Factory Reset impossible ", "Can't delete my Files" "Can't create files". All these Devices have inaccessible NAND's and inaccessible Recovery. Only Bootloader is working, but as the NAND is broken, flashing doesn't change anything.
smacsmac said:
oh mine was just straight up dead...no download mode or anything visible on the screen (and nothing to do with CM13 either)
hope you get yours sorted out! have you tried reflashing anything via Odin while in download mode?
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Click to collapse
yeah, flashing with odin did the trick. now running cm13 and everything works fine. sorry to hear that your phone turned to brick.

Softbrick? Or am I out of luck?

Hi I'm pretty new to rooting and flashing and all that modifying my phone stuff. Firstly I'd like to thank @roirraW "edor" ehT and @LASERWOLF452 for the guides on rooting my phone which I've been trying to do for over a year, but just now finally succeeded.
Now I've run into a problem leaving my phone useless. Not sure if software or hardware problem. After I turn my phone on, which sometimes that doesn't work, it gets to LG logo then screen goes black, all buttons unresponsive including power button. I think I softbricked my phone because sometimes it gets stuck in the bootloop. (Edit: It doesn't go into the bootloop that often, mostly just blackscreens after LG logo or when I turn it on, it vibrates and that's all, logo doesn't even pop up.) Sometimes when I pull the battery out, wait a few minutes, then put it back in I can get it to turn on and get to the PB Screen after the LG logo (because I have the PitchBlack theme installed). Sometimes I can even get to my home screen even open an app, but then everything freezes and screen goes off. Usually after any of these attempts, doing anything with the power button results in nothing, not even a single vibration. It makes me think that the phone is on just the screen is unresponsive. So I have to pull the battery out and try again. I held volume down and power button til LG logo came on, then let go of power button and immediately held it again until I got into recovery. Scrolled down to factory reset, clicked yes, then most of the time the phone shuts off and the LG logo comes on and goes black again. One time it got TWRP to open up. But it froze and screen went black. I finally got it to go into TWRP again randomly, but trying to click on the "Advanced" key in the process of wiping the dalvik cache my phone half froze. By half froze I mean just that. The status bar showed my phone's changing temperature, the minutes were changing and the battery percent showed. When I went to slide the arrow to wipe the cache it wouldn't move. It was like the bottom part of my touchscreen wasn't working. Then I pressed the power button and it locked the screen and said slide to unlock but I couldn't slide the slider. So it's like half of my phone functioned and half didn't.
I wasn't having major issues like this except occasionally getting my phone to receive a charge or turn on. This booting issue started yesterday when I was at work. I was just playing pokemon GO and decided to charge my phone. I unplugged a charger for a Bose speaker (one of those color sound ones) and plugged it into my phone and it immediately shut off and wouldn't get past the LG logo. After a long night of failed attempts to get it working, this is where I am now.
I rooted my phone last week. After the first night I freaked out because I couldn't get my phone to turn on the next morning, I forgot to charge it and the battery was drained. It wouldn't even receive a charge. Then I googled some stuff and found out that taking the battery out and putting it back in can sometimes get it to receive a charge. Then I have to unplug it before turning it on or else it'll just reboot with the battery logo. I've had to do this every time when the battery is completely drained.
I rooted my phone by downgrading to 35B and doing all that LG FlashTool stuff then used Stump. Then installed TWRP and CM13. The most recent thing I have been messing with is Xposed Installer and downloaded and activated a few modules yesterday. Could those have done something? A few were out of date that I decided to give a try. After I turn my phone on and feel it vibrate and all that, I think it actually is turning on. Whether it makes it to the LG logo or not, it seems like it is turning on and maybe the screen just isn't functioning the way it's supposed to. I can't turn it on again, holding the power button does nothing.
Sorry that this was really long, tried to give a detailed description of my issue. Phone has been useless for 24 hours now. It really sucks because I need it, will be traveling through a few airports later today and need to call people to make sure I have rides. Only thing I can think to try is get a new battery. I would really appreciate any help that anyone can provide! I'm desperate.
Update: Recently I have been able to get the phone to start up like normal and get to the home screen, check my texts, that kind of stuff, but within 30 seconds it freezes and shuts off.
I'll confess, I didn't read everything, but a few questions and suggestions. FYI if it were me I'd skip right to suggestion #3.
Can you still access TWRP?
If so,
1. Try wiping Cache and Dalvik /ART or if that doesn't work wipe Cache, Dalvik /ART and Data.
2. If both don't help, wipe them again, then do a fresh flash of whatever preferably stock based ROM you want and the appropriate Bootstack.
3. I would flash the 10B TOT and start fresh. It's often enough the experience of users who flash non-stock or international stock-based ROMs to have various troubles.
No matter what caused the problem, TOTs contain more partitions that KDZs and flashing TOTs can fix problems that KDZs can't.
Good luck, keep us posted.
roirraW "edor" ehT said:
I'll confess, I didn't read everything, but a few questions and suggestions. FYI if it were me I'd skip right to suggestion #3.
Can you still access TWRP?
If so,
1. Try wiping Cache and Dalvik /ART or if that doesn't work wipe Cache, Dalvik /ART and Data.
2. If both don't help, wipe them again, then do a fresh flash of whatever preferably stock based ROM you want and the appropriate Bootstack.
3. I would flash the 10B TOT and start fresh. It's often enough the experience of users who flash non-stock or international stock-based ROMs to have various troubles.
No matter what caused the problem, TOTs contain more partitions that KDZs and flashing TOTs can fix problems that KDZs can't.
Good luck, keep us posted.
Click to expand...
Click to collapse
Sorry I know it was super lengthy. Sometimes I can access TWRP and sometimes I can't. I'm getting so aggravated with my phone! I think I successfully wiped Dalvik which did not help so I'll try to do the others if my phone wants to cooperate with me. Most of the time it doesn't even want to boot into recovery. Most of the time after clicking Yes under factory data reset the LG logo pops up then my phone just goes black.
Update: Wiped Davlik/Art, Cache, and Data. Rebooted and saw the CM13 logo instead of PB but then immediately shut down.
Yeah, I'd definitely go the 10B TOT route.
I've rooted a few phones, but I'm not a ninja like these other xda'ers are. I'm running Jasminerom 8.0 (which is excellent on the g3), a couple of weeks ago, I tried Dirty Unicorns, but it didn't seem to play well with my phone, so I went back to JR 8.0 (by restoring my nandroid backup) then tried to upgrade to JR 9.0 then 9.1. I didn't even get the LG start screen, the screen was black, but I could tell the phone was on by a couple of noises. I did hyelton's "[Guide] LG G3 Stock Firmware (Go Back to Stock) KDZ & TOT Method With LGUP" http://forum.xda-developers.com/showthread.php?t=2785089 It puts the phone back to dead stock, you have to root again and reinstall twrp, then you can go to the rom you want. It scared me pretty good, but within a day or 2, I had my phone back to where it was. Don't forget to thank the devs who post these guides, they can get you out of almost any jam you get into.:good:
FesterBesterTester said:
I've rooted a few phones, but I'm not a ninja like these other xda'ers are. I'm running Jasminerom 8.0 (which is excellent on the g3), a couple of weeks ago, I tried Dirty Unicorns, but it didn't seem to play well with my phone, so I went back to JR 8.0 (by restoring my nandroid backup) then tried to upgrade to JR 9.0 then 9.1. I didn't even get the LG start screen, the screen was black, but I could tell the phone was on by a couple of noises. I did hyelton's "[Guide] LG G3 Stock Firmware (Go Back to Stock) KDZ & TOT Method With LGUP" http://forum.xda-developers.com/showthread.php?t=2785089 It puts the phone back to dead stock, you have to root again and reinstall twrp, then you can go to the rom you want. It scared me pretty good, but within a day or 2, I had my phone back to where it was. Don't forget to thank the devs who post these guides, they can get you out of almost any jam you get into.:good:
Click to expand...
Click to collapse
I was literally in the middle of following the instuctions in the guide you linked, then when I have FlashTool all ready, I noticed my phone turned off. I read that I might have to put it back in download mode after messing with device manager. Now the problem is I can't get it to download mode. I can get the download mode and blue dots image, but doesn't go to the next screen with the "firmware update don't unplug phone" it just goes to blackscreen help I was literally just in download mode now my computer says it doesn't recognize the last usb device that I plugged in
ArcticPat said:
I was literally in the middle of following the instuctions in the guide you linked, then when I have FlashTool all ready, I noticed my phone turned off. I read that I might have to put it back in download mode after messing with device manager. Now the problem is I can't get it to download mode. I can get the download mode and blue dots image, but doesn't go to the next screen with the "firmware update don't unplug phone" it just goes to blackscreen help I was literally just in download mode now my computer says it doesn't recognize the last usb device that I plugged in
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Do a battery pull to make sure it is shut off, then do the Vol up while plugging in the usb cable. Even if the screen stays black, it should still go into download mode (that's exactly what had happened to me). When you go into Device Manager, you should see LGE Modem listed under Ports, and keep following hyelton's instructions. I was sure mine was dead, but it worked fine.
FesterBesterTester said:
Do a battery pull to make sure it is shut off, then do the Vol up while plugging in the usb cable. Even if the screen stays black, it should still go into download mode (that's exactly what had happened to me). When you go into Device Manager, you should see LGE Modem listed under Ports, and keep following hyelton's instructions. I was sure mine was dead, but it worked fine.
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I managed to get into download mode, two additional times. The first time, after started FlashTool, it said download failed at 10%.After an hour I finally got it to go into download mode again. Got to 57% then said download failed. My phone won't stay on or something. Everything was going smoothly, then boom black screen download failed. This has been the problem the entire time with my phone. Sometimes I can get to the homescreen, open my texts, browser an app or 2 then freeze and black screen. It won't stay on long enough for FlashTool so what the hell do I do now?!
Now my phone won't even vibrate when I plug it in while holding Vol Up. It comes up as something slightly different in device manager though. I kept FlashTool open even with the failed download, but it says "Can't change to download mode" in the port 1 box.
Also sometimes after plugging in, when it does vibrate, the LG logo comes on instead of DL mode. When that happens my phone appears as something QualCom in device manager then disappears.
Also, does it matter if my COM41 says 'in use'?
ArcticPat said:
I managed to get into download mode, two additional times. The first time, after started FlashTool, it said download failed at 10%.After an hour I finally got it to go into download mode again. Got to 57% then said download failed. My phone won't stay on or something. Everything was going smoothly, then boom black screen download failed. This has been the problem the entire time with my phone. Sometimes I can get to the homescreen, open my texts, browser an app or 2 then freeze and black screen. It won't stay on long enough for FlashTool so what the hell do I do now?!
Now my phone won't even vibrate when I plug it in while holding Vol Up. It comes up as something slightly different in device manager though. I kept FlashTool open even with the failed download, but it says "Can't change to download mode" in the port 1 box.
Also, does it matter if my COM41 says 'in use'?
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Now you're getting into territory that I have no experience with. I'm sorry I can't help any farther, I hope some of the more experienced xda'ers can help you out.
FesterBesterTester said:
Now you're getting into territory that I have no experience with. I'm sorry I can't help any farther, I hope some of the more experienced xda'ers can help you out.
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lol thanks for your help! The only issue I've run into the past hour is that I haven't been able to get into Download Mode. When I hold Vol Up and connect USB it either loads the LG logo or just goes blank. Doesn't give me the 'download mode' with the blue dots.
So I'm guessing it's a bad thing if my phone shows up as Qualcomm HS-USB QDLoader 9008 (COM9)?
Phone just shuts off too fast to do anything. If I successfully make it to download mode, only shows for two minutes in device manager. Qualcomm only shows up for about 2 minutes too. What do I do? I can't even flash the 10B TOT because of this.j
It used to be hard to get the battery to charge, but now I can't get it to charge at all!
Update: I realized, the longer I leave my phone alone, the longer it stays on. I waited an hour then tried Download Mode again. Phone stayed in Download Mode long enough for me to get to the blue screen and the red 3. I forgot what to do when I got to this point so I just let it go and it turned off by itself. I took out the battery, then tried to reboot and it hit the LG logo and the little Android when you first set up your phone then black screen.
Update 2: After waiting another hour, I got the phone to sort of start up. Got to the LG logo, then the green android with a blue loading bar underneath then wham! Green screen saying Tz crash! DemiGod Crash Handler. And some other stuff. What the heck is this? Never even heard of it before.
Update 3: tried to flash again, reached the blue screen with the red 3, pulled out USB and battery then tried to boot up and doesn't even boot up.
Sorry for double post, but this is a huge update. I realized the longer I leave my phone alone, the longer it will stay on. So I left the battery out for an hour. Finally I was able to flash 10B TOT and got to the blue screen with the big 3 on it. I wasn't sure what to do so I just left it there and it eventually shut itself down. Tried to boot up and same thing, black screen after LG logo. Does this mean I'm out of luck @roirraW "edor" ehT ?
Don't tell me this has been a hardware issue the whole time... I even tried new batteries today when I went to a cell phone outlet. Tested 4 LG G3 replacement batteries all with the same blackscreen after LG logo
It does sound like hardware, but its very possible the battery itself is the only issue. Unfortunately, without a spare to try, I don't know any way of finding out for sure if that's the issue without buying a new battery. LG's had them on sale for $15 from time to time, but I don't know if they are now or if they're in stock. On the one hand, I'd hate to see you buy a new one locally only to find out that doesn't fix anything but if the battery is the only issue it's a shame to write the phone off. If you lived around Columbus, Ohio I'd offer for you to try my battery just to see what happens.
There definitely has been enough of a precedent of user's batteries being the culprit with this phone.
That's what I get for reading only 5 out of 6 of the new posts. Sorry, yeah, it doesn't sound like there's much hope. Glad you at least had a place to try a different battery without buying one. I don't know what else to suggest - you could try sending it to LG for service. I can vouch for their warranty service - I can't personally report on their out of warranty. In warranty they returned my tablet fixed four days after they paid to have it packaged and shipped to them.
EDIT: Nevermind, only read part of the post and provided bad advice, lol.
roirraW "edor" ehT said:
It does sound like hardware, but its very possible the battery itself is the only issue. Unfortunately, without a spare to try, I don't know any way of finding out for sure if that's the issue without buying a new battery. LG's had them on sale for $15 from time to time, but I don't know if they are now or if they're in stock. On the one hand, I'd hate to see you buy a new one locally only to find out that doesn't fix anything but if the battery is the only issue it's a shame to write the phone off. If you lived around Columbus, Ohio I'd offer for you to try my battery just to see what happens.
There definitely has been enough of a precedent of user's batteries being the culprit with this phone.
That's what I get for reading only 5 out of 6 of the new posts. Sorry, yeah, it doesn't sound like there's much hope. Glad you at least had a place to try a different battery without buying one. I don't know what else to suggest - you could try sending it to LG for service. I can vouch for their warranty service - I can't personally report on their out of warranty. In warranty they returned my tablet fixed four days after they paid to have it packaged and shipped to them.
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The guy almost didn't let me try the battery. It was a dinky little stand in a farmers market and I was like let me see if they have any batteries. Luckily they did and I was like can I try it? He had the audacity to say sure but that's 20$ extra. Then I said how much is the battery? He said $40. THIS GUY!!! I almost had to beg just to see if it worked, and he finally agreed. He wouldn't even let me do it myself so I gave him my phone and he tried 3 different batteries and still the same problem.
I really appreciate that you would offer a stranger to test out your battery. It's funny that you live in Columbus because I actually go to school near there! I don't go to OSU but I go to OWU in Delaware, Ohio. But you are right, I'm not currently there but will be there soon.
Anyway, I decided that I had given it my all after trying different batteries, flashing the 10B TOT, etc. and made myself go to the Verizon store. Told the guy that greeted me that my phone wouldn't boot. Mind you I'm a little nervous because I don't want them to find out it's rooted if the 10B TOT didn't flash correctly, but I figured I'd had this phone for over two years, it's out of warranty so whatever. He tried to boot it and got nothing, not even the LG logo. So he said since the screen isn't cracked and no water damage I can get a new phone for free. You should have seen my face, my jaw dropped. I said "What?" He told me I have some warranty extension insurance. I said I know I had some insurance where I paid like 8$ a month, but I canceled that last year. He told me no, you have insurance and you pay 9$ a month. I was astonished and was like wow I thought I cancelled it, oh well, if it fixes my phone for "free" then let's do it. So now I'm eagerly waiting for the phone to arrive in the mail. I've had a brick for 4 days now so I'm feeling all kinds of disconnect. My only regret is that I didn't go into Verizon earlier.
So I'm hoping their warranty service is as great as you say. My only fear is that when I put my current battery, sim, and back cover on the new phone that it won't boot. I suppose at least I'll know for a fact that it's the battery at that point. Weird though that I've had this battery for two years and not a single issue...
Would it be wise to go through the root process again? I did all this in the first place just so I could cheat in pokemon, but then found so many cool modules from Xposed that made my life feel that much better.
ArcticPat said:
Would it be wise to go through the root process again? I did all this in the first place just so I could cheat in pokemon, but then found so many cool modules from Xposed that made my life feel that much better.
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Only you can determine that, sorry mate.
roirraW "edor" ehT said:
Yeah, I'd definitely go the 10B TOT route.
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I am on fulmics ROM 5.3 with 35B bootstack. Want to go back to kk10B what should i do.. Like do i need special .dll file as i use 35B bootstack?
Never used kdz or tot except for 10B on my phone. Means Never used kdz or tot to flash official lp or MM
Sent from my LG-VS985 using Tapatalk
minhas729 said:
I am on fulmics ROM 5.3 with 35B bootstack. Want to go back to kk10B what should i do.. Like do i need special .dll file as i use 35B bootstack?
Never used kdz or tot except for 10B on my phone. Means Never used kdz or tot to flash official lp or MM
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The 35B Bootstack should allow you to use the original .DLL, because it's the correct combination of partitions from both 12B and 35B - which are necessary in order to be able to get into TWRP and as far as I'm aware allow using the old .DLL but also as far as I know and have experienced, you can use the newer .DLL any time. It's only when you're 100% stock 35B or higher that you can't flash the TOT without the newer .DLL, and can't flash KDZs older than 35B.
See post #5 of this thread for a link to a post. The post has another link to directions for Verizon. You can get the 10B TOT and the newer .DLL from my Android File Host link the bottom of the first post of @annoyingduck 's stickied return to stock thread in the General section, also in my signature below.

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