Hello guys, this is my first time posting up in XDA and I am encountering a very weird problem with my N4
Disclaimer, the following is a long write but please bear with me and give a read.
Here's my problem after flashing the simple asop 29/5 build for mako. I come from same rom build 21/5 but i did a clean flash for the latest build. As soon as success flashing the latest build with gapps, then as usual will proceed reboot the system. Just right before the boot animation, the phone immediately went dead. I am sure that the phone is still left with 50%+ of battery at the moment.
Anyhow, I decided to plug it into charger. And voila, the phone now able to go through the boot animation and everything just fine. After setting up and restoring backups, I unplugged the charger, its 75%+ on the battery. Within 10-15 seconds, the phone immediately go dead again. I hit the power button and tried to boot up. Again, right after the Google logo screen, the phone went dead.
Commonly this indicate a problem with the battery. Yeah, but I went into recovery twrp and disabled the screen timeout & max the brightness. Guess what, surprisingly it lasted more than an hour which proves that this wasn't battery fault.
What had I tried so far, is just switched off the phone and plugged into charge for 2 hours. And obviously it doesnt solve the problem. I am backing up all the data at the moment and plans to drain the battery all the way down just leaving it screen on at recovery.
Anyone who know what happening with my n4 or encounter similar experience, please feel free to share the solution. Many thanks
Jz Chong said:
Hello guys, this is my first time posting up in XDA and I am encountering a very weird problem with my N4
Disclaimer, the following is a long write but please bear with me and give a read.
Here's my problem after flashing the simple asop 29/5 build for mako. I come from same rom build 21/5 but i did a clean flash for the latest build. As soon as success flashing the latest build with gapps, then as usual will proceed reboot the system. Just right before the boot animation, the phone immediately went dead. I am sure that the phone is still left with 50%+ of battery at the moment.
Anyhow, I decided to plug it into charger. And voila, the phone now able to go through the boot animation and everything just fine. After setting up and restoring backups, I unplugged the charger, its 75%+ on the battery. Within 10-15 seconds, the phone immediately go dead again. I hit the power button and tried to boot up. Again, right after the Google logo screen, the phone went dead.
Commonly this indicate a problem with the battery. Yeah, but I went into recovery twrp and disabled the screen timeout & max the brightness. Guess what, surprisingly it lasted more than an hour which proves that this wasn't battery fault.
What had I tried so far, is just switched off the phone and plugged into charge for 2 hours. And obviously it doesnt solve the problem. I am backing up all the data at the moment and plans to drain the battery all the way down just leaving it screen on at recovery.
Anyone who know what happening with my n4 or encounter similar experience, please feel free to share the solution. Many thanks
Click to expand...
Click to collapse
Have you tried making a clean wipe and trying either stock or another ROM, to see if it works then?
Your test doesn't prove it's not the battery's fault. Flash back to stock, see if the problem persists and if it does then you know you have a hardware problem. Could be the battery.
DrFredPhD said:
Your test doesn't prove it's not the battery's fault. Flash back to stock, see if the problem persists and if it does then you know you have a hardware problem. Could be the battery.
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Click to collapse
Hello, much appreciate your reply. I flashed back to stock 5.1.1 now and yet this problem is still persisting. Thus pretty obvious thats an hardware faulty.
In another forum, a guy with Nexus 7 had similar situation as me, and he suggests that its the battery or the circuit board at the charging port went kaput.
Guess nothing else I could do right now, gonna send in the phone for repair and hope the bill wont cost as much as a used nexus 4
Related
I have had three Mytouch 4gs replaced because every one of them I get turns itself off and wont turn back on until the battery is pulled out and put back in. This happens about 6 times a day.
I have tried a new SIM card, new sd card, new battery, factory reset, factory reset with a format of the sd, and they still turned off even without any apps installed and not signed into google.
I am baffled. Does anyone here know what could be wrong here?
i dont know why this has happened to you so many times but it happened to me this morning and immediately after the battery was pulled and reinserted i went to rom manager and fixed permissions. took a while to finish cause i have buku apps but hasnt happened since.
hope it helps ya!
I was running completely stock when this happened, but I've since upgraded to virtuous fusion. Is it better to boot into recovery using CWM to fix permissions or am I fine doing this from the app?
Well I fixed permissions through CWM and it just turned off on me again. Ugh. I'm guessing its not a problem with the rom but with my hardware. Should I try flashing the latest radio?
Does anyone else here have this problem? Wtf is going on?
idk if its the same problem you're having but mine has recently started turning the screen off, the buttons still turn on as well as the led blinking if i have a notification but the screen wont come back on until i do a battery pull
so i'm also wondering what the problem is, fyi i'm using the kernel that came with cm7 and the latest radio
Hmm not sure. When my screen wont turn on I get no lights at all.
One of the causes can be the battery going bad.
I had the same issue until they sent me a new battery.
Sfkn2 said:
One of the causes can be the battery going bad.
I had the same issue until they sent me a new battery.
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Click to collapse
I have tried many different batteries with no effect.
I have noticed however that if it goes unresponsive and I plug it in the charging light comes on and I am able to boot the phone. It will turn off rather quickly though. Like in 20 minutes as opposed to 2 hours. Very weird.
Wow has anyone found a solution for this Problem? I can go into recovery and flash roms with no problem but as soon as it boots to the home screen its just automatically shuts off. Only twice have I gotten it to actually stay on for an hour or so. Also while charging it flashes green then orange, I have two different batteries, any ideas?
Well mine is the same it started after a small six to eight inch drop on the floor and it randomly freezes and when i boot it up just goes into boot loader and after a while of it being off it will go into OS any ideas anybody I am thinking it has something to do with bad chip but what do i know lol tel me know if anybody finds anything out thanks in advance
I've begun encountering the same problem after flashing MIUI 2.3.30 ROM. And I've also noticed that my phone started to get hot. It never did this before. I know my battery is fine, I also re-calibrated my battery and everything. I am even also thinking that for some reason my phone is bricked. It holds charge for about 10 minutes before it dies, even on the new battery, which I have tested on another MT4G and works perfectly. The other phone is my nephews. I wonder if this has to do anything with the bad EMMC chip?
Any input for solving this will greatly help.
Reboots
drunk21 said:
I've begun encountering the same problem after flashing MIUI 2.3.30 ROM. And I've also noticed that my phone to get hot. It never did this before. I know my battery is fine, I also re-calibrated my battery and everything. I am even also thinking that for some reason my phone is bricked. It holds charge for about 10 minutes before it dies, even on the new battery, which I have tested on another MT4G and works perfectly. The other phone is my nephews. I wonder if this has to do anything with the bad EMMC chip?
Any input for solving this will greatly help.
Click to expand...
Click to collapse
You might have already looked at this but have seen in some other roms I have been working with is to make sure to check the md5 sum before flashing just because it flashed doesent
mean it was right it takes is slight hickup in a download and a bit of garbage where it don't belong. Better to check it do the full wipes even a couple times or maybe even mounting and format the boot n system partitions so if on a particular rom ask in its section.
Hope that helps, wish ya well
I would agree with the above post making a clean wipe, and even the format does help. I have been trying out almost all of the newest ICS roms avaliable and I notice it helps when wiping everything/format system and boot. Even the newer ICS rom Awesomev2.1 suggest doing so for the system partition.
As others have stated, you might not have performed a FULL wipe.
Reflash, but do the wipe (I did also wipe battery stats..seemed to help in my case)
Random restarts and won't load
Had the same issue when I switched to Virtuous Unity... battery wouldn't hold a charge and would randomly restart.
After basically nuking my phone (full wipe, cache/battery wipes, etc.), as well as installing Creamed Glacier, the battery life is better but the random restarts are not. Plugging the phone in is the only way to keep it from restarting constantly, where it will load the T-Mobile splash screen but turn off either immediately after or as the home screen loads. But the battery is always at least 50% when I plug it in and it stays on. It also seems to take forever to recharge (plugged into laptop).
I want to think it's a battery issue, but the fact that it's not dead when I plug it in makes me think it's a hardware issue. I can't send it in to T-Mobile (shipping charges and time would be huge, as I'm in a foreign country and I rely on it so much for communication), and I'm loathe to buy a new phone.
Anyone have any ideas?
ivioi3ius said:
Had the same issue when I switched to Virtuous Unity... battery wouldn't hold a charge and would randomly restart.
After basically nuking my phone (full wipe, cache/battery wipes, etc.), as well as installing Creamed Glacier, the battery life is better but the random restarts are not. Plugging the phone in is the only way to keep it from restarting constantly, where it will load the T-Mobile splash screen but turn off either immediately after or as the home screen loads. But the battery is always at least 50% when I plug it in and it stays on. It also seems to take forever to recharge (plugged into laptop).
I want to think it's a battery issue, but the fact that it's not dead when I plug it in makes me think it's a hardware issue. I can't send it in to T-Mobile (shipping charges and time would be huge, as I'm in a foreign country and I rely on it so much for communication), and I'm loathe to buy a new phone.
Anyone have any ideas?
Click to expand...
Click to collapse
I really hate to be redundant, but you formatted /system and data? System gets missed a lot and you didn't specifically mention it.
Sent from my HTC Glacier using XDA
I have had the same problem with ics zips 4.01 all of a sudden the phone stops responding to the power button and have to take out the battery and boot up the phone but as of yesterday with the 4.02 I have had the problem. I don't know if it due to the heat cause where I live it hot and its just the beginning of summer too?
Hi everybody.
Seems I'm in bit of a predicament.
I've flashed the latest Resurrection Remix rom with learnkernel 2.5 on my note 3 over the weekend and all seemed fine. I let my battery run flat to give the phone a fresh charge just a few minutes ago and the usual happed - upon charging, the battery charge logo displayed on the screen (albeit not updating). I know this is normal. So I went about my business. A few minutes later, I turned back to the phone and saw the display not showing anything. My initial thought was "ok, phone probably went to sleep". Nope, as it turned out the phone is completely dead. Won't turn on at all. Took the battery out and put it in again after n minute and it still won't turn on. I hope to god there's a way of getting my baby to boot up, otherwise it seems my phone just bricked itself? This is the first time something like this has happened in all the years of me flashing my devices.
I can't post on the RR nor LeanKernel forum for advice as I don't have enough posts on the site to do so.
Anyone else had similar issues and is there a way to remedy the situation?
fixed
Troffel2404 said:
Hi everybody.
Seems I'm in bit of a predicament.
I've flashed the latest Resurrection Remix rom with learnkernel 2.5 on my note 3 over the weekend and all seemed fine. I let my battery run flat to give the phone a fresh charge just a few minutes ago and the usual happed - upon charging, the battery charge logo displayed on the screen (albeit not updating). I know this is normal. So I went about my business. A few minutes later, I turned back to the phone and saw the display not showing anything. My initial thought was "ok, phone probably went to sleep". Nope, as it turned out the phone is completely dead. Won't turn on at all. Took the battery out and put it in again after n minute and it still won't turn on. I hope to god there's a way of getting my baby to boot up, otherwise it seems my phone just bricked itself? This is the first time something like this has happened in all the years of me flashing my devices.
I can't post on the RR nor LeanKernel forum for advice as I don't have enough posts on the site to do so.
Anyone else had similar issues and is there a way to remedy the situation?
Click to expand...
Click to collapse
Found the problem. Seems my charger is messed-up. Popped in a normal USB2 cable and the phone is up and going again.
Sorry for causing any inconveniences.
Have a good day.
Here is my problem. I have a Nexus 4 that constantly powers off. And by power off, I mean as soon as the Nexus 4 boots up into the OS, the phone starts the power off sequence.
What I've tried so far was:
- in recovery did a factory reset, wiped both the data and cache partition.
- tried reloading the official nexus 4 firmware. Tried the 4.4.4 and 4.4.3 image
- used fastboot to load up a custom recover only to realize there is no rom on the phone itself to install from so that's out of the question pretty much.
- I tried the adb sideload but the computer doesn't see the nexus 4. the computer however sees the phone when it boots into the OS but the phone starts the shutdown operation as soon as it loads the start screen.
If it's hardware issue, then I guess there's no point in trying to fix it. But if it's only software related I want to at least try to see if it can be saved. lol
Any suggestions?
Well I know this happens when you have 0% battery
maybe your battery isn't charging?
Try booting with your N4 plugged and leave it plugged so 5 minutes, check your battery status and if it's ok unplug it and cross your fingers.
Roastmeat said:
Well I know this happens when you have 0% battery
maybe your battery isn't charging?
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Click to collapse
I thought about that at first. but according to twrp the battery life was above 70% and can run on battery perfectly fine. The phone doesn't actually belong to me. She gave up trying to fix her problem and got a new phone. I just got curious and want to find out what is causing the issue.
danmen2 said:
Try booting with your N4 plugged and leave it plugged so 5 minutes, check your battery status and if it's ok unplug it and cross your fingers.
Click to expand...
Click to collapse
I left the battery charging all of last night just to try it regardless of what the status said. It was hovering at around 70-80% according to TWRP before I plugged it in. It actually made progress today. The phone booted up. So I put in LPV just for the fun of it. The first time it booted up into LPV, it was doing the shut down process as well. Plugged it back into the wall for 5 mins, unplugged it and turned on like normal. Went through the set up process.
Left it sitting there for about an hour. Then decided to shut down the phone and restart it to see if that issue would return. Didn't return until Play Store started doing updates. The phone shut down. Powered it back up and it was fine. lol. Battery life right now is sitting at 78% and battery widget reborn is saying the temperature is 39C. So it coule very well be the battery. But my friend said the guy she brought the phone for repairs supposedly changed the battery. lol. So I don't know.
Espada04 said:
I left the battery charging all of last night just to try it regardless of what the status said. It was hovering at around 70-80% according to TWRP before I plugged it in. It actually made progress today. The phone booted up. So I put in LPV just for the fun of it. The first time it booted up into LPV, it was doing the shut down process as well. Plugged it back into the wall for 5 mins, unplugged it and turned on like normal. Went through the set up process.
Left it sitting there for about an hour. Then decided to shut down the phone and restart it to see if that issue would return. Didn't return until Play Store started doing updates. The phone shut down. Powered it back up and it was fine. lol. Battery life right now is sitting at 78% and battery widget reborn is saying the temperature is 39C. So it coule very well be the battery. But my friend said the guy she brought the phone for repairs supposedly changed the battery. lol. So I don't know.
Click to expand...
Click to collapse
Yeah, sounds like a possible bad repair. Try another thing, flash a kernel not based on stock, like hell's doctor or hell's core. After 4.4.4 there are several issues like boot loops and shutdowns with kernels based on stock.
danmen2 said:
Yeah, sounds like a possible bad repair. Try another thing, flash a kernel not based on stock, like hell's doctor or hell's core. After 4.4.4 there are several issues like boot loops and shutdowns with kernels based on stock.
Click to expand...
Click to collapse
Well it's running Android L Preview port so it's not running 4.4.4 based rom. At least to my knowledge. I'm going to see how long this last. I suspect they didn't really replace the battery or it could be an issue on the motherboard side not detecting the proper charge level on the battery? But battery life so far on the phone seems pretty crappy. 13% in the last 45 minutes on airplane mode with wifi on.
So, 2 days ago I was charging my device (XT - 1562 Indian Version 16GB) and when I saw the phone after 2 hours the battery was still at 15%... so I got into the battery options to check if the battery was charging and it was showing "Not charging"(SS attached) so I rebooted my phone and it was still showing not charging, I also did a factory reset and still the problem was not solved so I booted into the fastboot mode and there it was showing that the battery is charging. I was confused so I thought that there may be a firmware problem(6.0), so I downloaded factory images of 6.0.1 and flashed them(the BL was locked) and still the problem was there then I unlocked the BL and flashed 5.1.1 and problem still persists. Guys pls help me. :crying:
Also please tell me how can I flash 6.0.1 again via Fastboot mode. I am still at stock 5.1.1
Edit : Update : Now I have installed a custom ROM (CM 13.1 by Temasek) and now the phone is charging like it should but it charges till 82~85% and then stops charging. Cant give the phone to the service center because I unlocked the BL.
thesaurabh7777 said:
So, 2 days ago I was charging my device (XT - 1562 Indian Version 16GB) and when I saw the phone after 2 hours the battery was still at 15%... so I got into the battery options to check if the battery was charging and it was showing "Not charging"(SS attached) so I rebooted my phone and it was still showing not charging, I also did a factory reset and still the problem was not solved so I booted into the fastboot mode and there it was showing that the battery is charging. I was confused so I thought that there may be a firmware problem(6.0), so I downloaded factory images of 6.0.1 and flashed them(the BL was locked) and still the problem was there then I unlocked the BL and flashed 5.1.1 and problem still persists. Guys pls help me. :crying:
Also please tell me how can I flash 6.0.1 again via Fastboot mode. I am still at stock 5.1.1
Click to expand...
Click to collapse
Maybe fault in hardware.
Automated reply by JARVIS
K.khiladi said:
Maybe fault in hardware.
Automated reply by JARVIS
Click to expand...
Click to collapse
Thanks for the reply bro. I have updated the thread so can you tell me what is the problem.
are you using the original charger and cable ?? charge the Device when it's off then turn onforum.xda-developers.com/showthread.php?t=1782420
I'm having this exact same problem on my xt1575. I bought it from a nice dude on Swappa, but he seemed pretty green concerning phones in general. He rooted/unlocked it, then appears that he kept the stock ROM while flashing the franken kernel. I didn't notice this for the first day or two as I opened it and poked around for some signs of something loose/water damage: nothing.
I couldn't sleep last night, so all morning I've been doing what I can to play around with clearing caches, flashing different ROMs, and anything else I can find in the software side, but aside from somehow getting it to get past the previous cap of 4% to a whopping 25% before slamming down to 11% (percentages waver constantly), I'm stuck and desperate to figure it out. I've even tried the stock turbo charger, the stock charger for an old Moto X 2014, and as of writing this just now a Samsung quick charger for the giggles.
I have parts for all kinds of Moto X 2014/Nexus 6 lying around, so I took the risk of connecting a Moto X 2014 battery up to see how it behaved. It read the battery level around mid-seventies and didn't seem to drop at any exaggerated rate but still kind of bounced around a tad. It would charge at times, but otherwise still wouldn't show the battery as being charged. I didn't think too much of it because the 2014 is of course a different model at a much smaller capacity, so I didn't want to try leaving it on the charger for fear of overcharging. The only thing left that I haven't done is hook up the Play battery to another motorola because I don't have any screens to monitor progress and see how consistently it reads to determine if it's the battery that's somehow gone wonky.
So in summation/where I'm at right now: I'm having this same problem; I've tried both hardware and software tinkering to no avail; I feel this is still somehow kernel/software related, but I'm not sure how to completely obliterate everything to start from stock. Please forgive how scatterbrained I am right now, I'm tired yet wide awake and irritated with the whole situation; there's NOTHING I can find in the forums or elsewhere outside of stock replies like "are you using the original charger?"
My moto x play not change in normal it only charge in factory mode that to 75-82℅ only.
Let it discharge fully then put on charge without booting up
PSxplay said:
Let it discharge fully then put on charge without booting up
Click to expand...
Click to collapse
I have did that still it's not charging, it's showing power symbol without percentage showing.
Shajj99 said:
I have did that still it's not charging, it's showing power symbol without percentage showing.
Click to expand...
Click to collapse
I have tried after battery fully drain, still it's not charging again I am charging mobile in factory mode. Is there any solution please help me. In factory mode i am not getting signal.
So no change in behavior. I did notice that when in TWRP that the CPU Temp value is crazy, and any reporting software says the battery is at -23.8° C and always cold, even on a brand new replacement battery (obviously send like that is what's keeping it from charging). I even went as far as to put a heat gun on it from a distance to artificially actuate any sensors and got nothing. The one time it did report normal temps it charged fine for a whole day but hasn't returned to normal since. This **** is maddening...
I know this is a long shot, but have you tried resetting the battery stats?
http://forum.xda-developers.com/showthread.php?t=1699687
I had this problem but yesterday I can solve that
First I put stock firmware
Wait for fully discharge
And wait full shutdown
I put an moto g 2013 charger (550mA 5V)and led stay on around 5 min but not charge
After put Nokia n86 charger (1A 3.5V)5 min and not charge
After i put an orginal moto turbo charger
And start to charge wait for 9%
Turn on the phone
Clear battery stats with battery calibration app
Wait for full discharge
Wait for full turn off
I put a Nokia n86 charger wait 5 minutes vibrates and start to charge like the beginning
Any other suggestions or solutions? Still my phone only charges in recovery mode. I have a aukey fast charger. Tried different kernels and roms without success.
The solution with the nokia chargers seems really strange and i dont have that type of charger.
Regards
Someone fixed this? I have the same problem and can't solve it. I have cm 13 by temasek and the first time the x play charged up to 83% but after a full discharge and a clean of battery stats, I olny could charge it via factory mode, like in stock 6.0.1
I dont know why but after i opened the phone and disassembled the battery it worked after putting it back together. Disconnected the cable to mainboard as well as nfc antenna. Then carefully pried the battery out. Its slightly glued to the mb. Then I held power button down for a few sec as read in a different forum. Afterwards I connected power cable back but left the battery next to the phone. Booted the phone and charging worked. Than I reassembled the phone Ehen I was sure everything worked. I was about to change the battery but now it works. I flashed different Roms and kernels without any improvment before. After I got it working I flashed a nandroid backup of a resurection Rom image that didnt worked before. Now its running perfect.
pulpokraken said:
I dont know why but after i opened the phone and disassembled the battery it worked after putting it back together. Disconnected the cable to mainboard as well as nfc antenna. Then carefully pried the battery out. Its slightly glued to the mb. Then I held power button down for a few sec as read in a different forum. Afterwards I connected power cable back but left the battery next to the phone. Booted the phone and charging worked. Than I reassembled the phone Ehen I was sure everything worked. I was about to change the battery but now it works. I flashed different Roms and kernels without any improvment before. After I got it working I flashed a nandroid backup of a resurection Rom image that didnt worked before. Now its running perfect.
Click to expand...
Click to collapse
So, may the problem be in the pins when the battery is plugged into the mb? I'll try that! thanks!
Still having this issue, the solution with the chargers didn't work for me, neither the battery solution, suggestions?
How to solve the problem?
Please
Same issue
My Moto X Play has the same issue. It will only charge in Factory Mode. I had this issue before at 10-11 months old and had it 'fixed' under warranty, now 2-3 months later the same issue has occurred. Of course the warranty is only 1 year...
Glad I am not alone in this issue but i wish there was an easy fix! Putting me off getting another Moto...
Same problem occurred with me( Moto X Play).
My phone was not charging, it was stuck in some percentage and was not increasing or neither decreasing while plugged in to charger. But when i put it into recovery mode, it charges. But that was not the solution to the problem.
So, i have tried factory reset.
but problem was not solved.
i googled for the solution, but couldn't find the right solution. And i was stressed (I have a girlfriend, and living in very distance relationship, for me a smartphone is very important).
And was thinking of buying a new phone but not the Motorola, but couldn't afford at the time.
At the same time, i thought of repairing it by myself, by fixing the battery properly.
Without thinking about voiding the warranty and Motorola support, i unbolt every screw of the phone. and finally , finally, finally i made it by removing the battery and fixing it again(charger was plugged while removing the battery and fixing, and phone switched off while removing).
And now my phone is charging properly.
Hope I have helped every person concern to this same problem.
Thank you
Stock .21 firmware. Never tried any other ROMs. Battery went down to 1% last night, charged it on stock charger to 30% then moved it to a different charger. An hour after that I got a call, I hanged up and about 1 hour later I heard the phone buzzing every 30 sec or so, I looked at it and realized it's in bootloop. If I press Vol- and Power I can get it in fastboot and with Vol+ and Power in Recovery. Can't figure out what to do from there though.
Update: Pressed -+ and left it the whole day in that mode. Came home, and it booted up and looked fine for about 3 minutes then it shut down by itself. It seems to me that there's some sort of memory/storage corruption. Any suggestions on how to proceed from here?
Phone booted normally and I was able to use it for about 12 hours. I was doing a Whatsapp backup this morning when it shut down and got into the bootloop again.
nwaves said:
Phone booted normally and I was able to use it for about 12 hours. I was doing a Whatsapp backup this morning when it shut down and got into the bootloop again.
Click to expand...
Click to collapse
If you are using stock, immediately get rid of your usb c cable and buy a new one. There could be an issue with the cable that is causing problems with your battery.
Try to keep the charge percentage between 20% and 80%
Finally, your battery stats may be off. To resolve a battery stats issue you will need to reset the phone. Which again, if you are using stock and have never used a custom rom. You should definitely do a factory reset.
Same issue on 2 different chargers with 2 different cables that used to work well until now. None of the cables are stock. One of the chargers is stock, the other one aftermarket. My wife's S3 doesn't have any issues using the same cables and chargers. Issue seems to be happening when battery is full or almost full. Phone gets into a soft reset bootloop. I let it drain yesterday and was able to get in and do a factory reset. I then added my account and left it installing and updating apps overnight, while connected to the charger. Woke up with the phone off and after pressing power for 12 sec it got into the bootloop again. As you can imagine, it's impossible to keep the battery under 80%. Would it help if I try a custom rom? Maybe a new battery? I'm open to any suggestions as I really like this phone and can't find anything similar at a reasonable price.
So phone still reboots when battery is high. I can however get into Fastboot Mode and Tool All-In-One detects it. Tried to unlock the bootloader in the tool but it failed. I'm willing to try anything to get the phone back up and running but not sure where to start. Would really appreciate some guidance.
It really sounds like the battery is bad. You can buy a new battery for $8 .
If you replace the battery : Do NOT use a hairdryer to remove the screen. You will need a heat gun, they cost 7 dollars at harbor freight.
With a heat gun the lcd screen will practically fall off into your gloved hand.
I was going to offer to connect remotely and help with unlocking the bootloader and installing TWRP, Root and a Rom. But I sincerely believe that you need to get a new battery first.