Phone bootloops upon reboot - T-Mobile LG G3

So apparently I'm experiencing an issue that's already been massively complained about already or I have an all new super lame problem. When using TrendOn batteries I can barely even boot into my phone. The lock screen loads then instant reboot or phone just goes dead and I have to do a battery pull, it won't turn back on unless I do. Not sure if this has to do with the battery just thought I'd mention it. I was running skydragon kernel with trickster but have since went back to stock in an effort to fix the issue....obviously it didn't work.

Ummmm did you try stock battery ?
AWESOME G3

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[Q] EVO hot at bottom of screen and rebooting

Not sure what brought this about. I was on UD's GB rom v3.1.2 for about a week or so, no problems. I tried to flash to the latest update for his ROM, being v3.2.0, but I had nothing but random reboots while booting, even while flashing. After a while, my phone would stay normal, but would reboot all of a sudden again. The front of the screen gets warm between the bottom of the screen the touch-sensitive buttons (home, menu, etc.). Phone started doing it again after I flashed to the latest MIUI after a while, so I pulled the battery and now I'm letting it charge for a while. I'm using a Laza Sprint extended battery I bought from Amazon. Possibly the battery going out?
tzbigworm said:
Not sure what brought this about. I was on UD's GB rom v3.1.2 for about a week or so, no problems. I tried to flash to the latest update for his ROM, being v3.2.0, but I had nothing but random reboots while booting, even while flashing. After a while, my phone would stay normal, but would reboot all of a sudden again. The front of the screen gets warm between the bottom of the screen the touch-sensitive buttons (home, menu, etc.). Phone started doing it again after I flashed to the latest MIUI after a while, so I pulled the battery and now I'm letting it charge for a while. I'm using a Laza Sprint extended battery I bought from Amazon. Possibly the battery going out?
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I suppose it could be the battery, but that wouldn't have been my first guess. Do you have your original battery, or any other one, to test for a bit? If so, try that. If not, my first suggestion would be to do a complete wipe, and flash calkulin's format all.zip, and then reflash your ROM. I have no idea what would've caused it, but it definitely sounds like you have a problem! If a full wipe and reflash doesn't solve it, and a different battery doesn't solve it, I would most likely unroot it, return to a stock rom, and then see if it still behaves the same. If so, I'd take it to sprint. If it acts fine unrooted on a stock rom, perhaps give it a day or two, just to make sure, then root up again.
In addition to what k2buckley said, are you running 3G, wifi, $G, or hotspot for an extended period of time?

VZW GNex overheating and losing charge rapidly

So the other day I flashed a 4.3 rom and started having major battery drain and overheating issues. I tried re-flashing the rom and then tried some other 4.3 rom's and the same issue occurred. I then restored my nandroid backup from (4.2 rom) and it was doing the same thing. Even tried flashing a fresh 4.2 rom and still the same thing. Battery drains rapidly even while the phone is turned off and the phone gets very warm to the touch. I know it's not the battery because I have about 4 that I tried and my bro has the gnex as well and I swapped the battery from his perfectly working phone.
My phone also won't charge while it's turned on. Tried the trick with moving the pin up and it worked for a little while but now will only charge while off (sometimes).
Really wanted to hold off on getting a new phone until the next Nexus came out but looks like I might have to bight the bullet and get an HTC One, S4, or Droid Maxx.
So I guess my question is, is my phone completely screwed. Think I could turn it in to Verizon to get a refurb or am I screwed because I've flashed? Any other recommendations?
Appreciate it!!
hello sir
My phone was exactly in that condition.. suddenly battery drops without me doing anything, doesnt charge while ON.
Well, what i discovered is the fact the battery drops too fast is because the phone doesnt enter deep sleep or if yours do so then something is wrong with deep sleep mechanism like mine did. About the fact that it doesnt charge it has to do with ur charging port being somehow damaged, i think its by the use of non original cable.. I had to take it to repair and now its working fine
cheers
bump, same here, battery sucks and phone heats up, any solutions?
that's pretty vague because it maybe something completely different from what OP said. If you do have exactly all of those problems then im afraid that the only thing possible is take it to repair. I've tried a lot of roms and kernels and they all were unable to enter deep sleep, or i couldn't charge the phone, etc etc
I reflashed stock rom, waited for update to 4.3 and then flashed custom recovery, and after that custom rom, and so far seems like problem is gone.

Optimus G shuts down while flashing

Hi guys
My Optimus G is dying on a slowly and painful way...This time I have the following problem:
Phone was working perfect except for its battery life (lasting 5 hours at max), but it started to turn off by itself randomly.
Then, I started to bootloop, when I decided to flash another ROM, but now, everytime that try to flash ANYTHING the phone turns off while flashing. I can perform full wipe, but when I try to flash, power goes off.
Is there anything that can do? Is it completely dead?
Thank you guys!
i think i have the same problem, but mine shuts down while booting, i can flash roms normally.
still have to wait for my battery to arrive, going to change it to find out if it fix the problem
Gilbert_Sarip said:
i think i have the same problem, but mine shuts down while booting, i can flash roms normally.
still have to wait for my battery to arrive, going to change it to find out if it fix the problem
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This is my second battery. Never had this problem with the old one, but my battery life problem doesn't seem to be battery issue, but something on the phone...
dashcsn said:
This is my second battery. Never had this problem with the old one, but my battery life problem doesn't seem to be battery issue, but something on the phone...
Click to expand...
Click to collapse
:good: thanks for the heads up. Guess it's time to upgrade
my phone is also off for last couple of weeks. when i put phone on charger it powers on and then shut downs automatically after lg logo. Phone remains on if i put phone into recovery mode but it didn't allow to flash any rom because whenever i try to flash rom after wipe it power off itself.
I also tried remove and put battery back trick but it also didn't work don't know its battery issue or something else
Asim Akram said:
my phone is also off for last couple of weeks. when i put phone on charger it powers on and then shut downs automatically after lg logo. Phone remains on if i put phone into recovery mode but it didn't allow to flash any rom because whenever i try to flash rom after wipe it power off itself.
I also tried remove and put battery back trick but it also didn't work don't know its battery issue or something else
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Click to collapse
It seems very similar to what is happening with me. Tomorrow I'll try to put the phone back to the stock rom and see if it works.
As soon as I do it, I post the if it works.
i have tried flashing stock 4.1.2 and it work a little bit better. but i need to boot it while plug in. when its booted it stays on. the phone shuts it self down when receiving calls. Did not try any other apps while it's on still have it stock.
I don't know why this is happening, is it so that now a days you can't keep your phone longer than you expected, problem came up after a few years,so they force you to replace your phone once a while.
Gilbert_Sarip said:
i have tried flashing stock 4.1.2 and it work a little bit better. but i need to boot it while plug in. when its booted it stays on. the phone shuts it self down when receiving calls. Did not try any other apps while it's on still have it stock.
I don't know why this is happening, is it so that now a days you can't keep your phone longer than you expected, problem came up after a few years,so they force you to replace your phone once a while.
Click to expand...
Click to collapse
Yeah...When I bought this phone I was living in Korea and couldn't use due carrier's problems. Then I moved back to my homecountry and that phone, after 8 months of usage almost exploded while charging (an absurd overheat)...Since that, the phone started with battery issues and ghost touches problems. The ghost touches stopped and I replaced the battery but now it doesn't work at all. How the hell LG makes a premium device (highend in 2013) that couldn't last a year after unboxing???? That's why I've decided to move back to Motorola, Samsung and HTC...My Galaxy Nexus could resist the meteor that killed the dinosaurs, and this crappy Optimus G can't even CHARGE without destroying itself.
Another LG device? Never!
i just replace my battery, and my phone is work like new again. For now my problem is fixed
new T-5 battery saved my phone. Replaced it yesterday. Phone is back on Sling rom

Rooted, turns off at 30-60% battery, acts like a dead battery

Okay, now that I'm in the right forum, I have an AT&T M9 converted to Developer edition, S-off, TWRP 3.0.2-0, Firmware version 3.35.617.12 listed in download mode, running ViperoneM9 6.1.0. As the title suggests, if I'm anywhere from 30-60% battery, it will just turn off, and I can't turn it back on without it dying again on boot. If I plug it in, it lists whatever percentage battery it died at, usually 30-60%. I don't want this to turn me away from all of the benefits of root, but it's killing me. I'm not sure where to go from here, and I almost just want to RUU the thing and go back to stock. Someone help me figure out what this is, please.
Another fun bit, any of my color scheme customizations get reset, as well as my font, custom button maps, and general tweaks.
I've experienced this too on my phone, but that was after I replaced the battery with a third party battery. This exact thing happened to me but rather around 80-85%. After reboot it still showed that percentage. After reinstalling the original battery everything worked again. I have returned the other battery to the seller for a possible refund.
A similar thing actually used to happen on my old HTC One (M7) to, but then it was rather at around 50%.
manlavi95 said:
Okay, now that I'm in the right forum, I have an AT&T M9 converted to Developer edition, S-off, TWRP 3.0.2-0, Firmware version 3.35.617.12 listed in download mode, running ViperoneM9 6.1.0. As the title suggests, if I'm anywhere from 30-60% battery, it will just turn off, and I can't turn it back on without it dying again on boot. If I plug it in, it lists whatever percentage battery it died at, usually 30-60%. I don't want this to turn me away from all of the benefits of root, but it's killing me. I'm not sure where to go from here, and I almost just want to RUU the thing and go back to stock. Someone help me figure out what this is, please.
Another fun bit, any of my color scheme customizations get reset, as well as my font, custom button maps, and general tweaks.
Click to expand...
Click to collapse
I'm on the original battery still, but I have had this phone since May 2015. I was thinking that maybe my battery's life was shortened when I flashed viper in the past and got wake locked and 90% system usage on the battery for a couple of days. Is that a thing?
This would be typical behaviour for a dying battery. I've had a similar issue, but it had nothing to do with the ROM in my case. My HTC One X had it, there it was the battery. My girlfriends iPhone 5s as well, again it was the battery.
Does it occur more quickly if you use more power? That would be quite typical of a dying battery. What then happens is that the voltage drops slightly because you apply a load. The voltage then isn't sufficient anymore and the phone concludes its battery is too low and it has to turn off. Maybe try and see what happens if you draw maximum power at 60%. If it then immediately turns off, I would be confident it's the battery.
This is so obvious and I didn't even realize. I going to try it, sorry for the late reply

Any real solution for typical HTC battery problem, shutdown at 40%/30%/20%?

Hi,
I bought M8 because I liked good old M7 so much.
So that phone and it's battery are quite new, about a two months old. But I'm bit pissed because there's that same damn battery problem that we have with M7. Phone shutdowns suddenly with random % while batt is below 40% or below 30%.
After that when I restart the phone it shows there's only 2% left. So something with batt calibration is badly wrong.
I've read about it and internet is full of complains and questions but there's no working solution.
So my question is, have anybody found why it's doing that and is there any solution/fix that REALLY works? Or is everybody just living with that fact that HTC only allows to use 60% of phone's battery?
Now it's bit frustrating to use the phone because SOT is at most 2.5h even with light use and if gaming.. well you got the point.
Phone is fully unlocked and rooted with newest twrp. I have had stock MM rom, RR oreo rom, XenonHD oreo rom, ICE 8.2.2 MM rom and now I'll have AOKP nougat rom but same thing with all roms with couple weeks test period so it's not rom depending.
I have searched this forum, other forums etc and tried to find solution.
I have tested official two minutes power+up+down and also that alternative "at least six restarts with power+up+down and then use it empty" - method without any help.
I have tried wiping caches and I have flashed rom/did factory reset while batt is 100%.
I have drained the phone from 100% to as low as it goes(and shutdowns) and then charged back to 100% with phone on and also with phone off.
I have also tried that while it shows it's 100% wait till it drops to 99%, then shutdown the phone and charge again to 100% (because while I plug charger again it shows something between 90% and 99% while shutdown).
I also tried some batt calibration tool from market even I don't believe on them and read that google worker story about these calibrations.
But about that question, any solution? Any help? Anything else to try? It's very good phone and pity there's that problem in such a good phone. But I just don't believe it's faulty battery because it's so common problem.
Flashing a ROM with the default wipe (data, cache, Dalvik) will normally wipe battery stats and recalibrate the battery meter, in my experience. Then reset the high/low flags by charging to 100%, then drain to close to shutdown (10-20%) and that should be it. Intentionally draining to shutdown is not advised nor necessary. But in your case, may be unavoidable as it may be shutting down even as you try to get "close".
The button combo (power+vol up+vol down) to recalibrate the meter doesn't hurt either. But it looks like you've tried all these things, to no avail.
Make sure your firmware is up to date (MM). But I'm guessing that is already the case, as you probably wouldn't able to flash or run the ROMs mentioned, with outdated firmware.
Only other thing I can think, is to flash stock RUU (if your version has one) to return to full "factory" baseline and start over again (then TWRP, ROM of your choice, etc.). But I don't suspect this will help much over what you've already tried. More of a "doesn't hurt to try" suggestion, as long as you have to time/energy to do so.
Thanks for your reply. Stock rom is MM so I think firmware etc should be fine.
And yes, think I've tried almost "everything" but now after I've tested few weeks I noticed something. It seems it's maybe somehow kernel thing. Not sure but if I use stock MM rom batt works just fine. If I use Revolution HD 53.1 MM rom with stock base(?) kernel, batt works quite fine. But right after I flash elementalX to those or use some other MM/Nougat/Oreo rom with other than stock base kernel batt shut down randomly below 40% and shows wrong %. Weird. I think I just stick with Revolution HD and stock kernel since it seems to work and is much better than stock rom.
Mine sometimes shutdown @60
I jst got another one 2days ago
So I sud be expecting same problem?
I noticed this problem after I flashed RR ROM last December, maybe I sud nt use custom ROM @All on this new one
But I am in love wit lineage 16 ROM
Advice pls
I had the same problem over a year ago. Phone would randomly die once the battery went below 30%. I tried every piece of battery recalibration voodoo posted on this and other sites –including ones that were supposedly official HTC recommended ones.
Nothing worked.
In the end, I bought a replacement battery off eBay and fitted it. I think it was about £17 and I haven't had any random shutdowns since. My battery can run right down to 1% now without the phone switching off. I think, at the end of the day, a new battery is the only solution
BTW –the battery I bought looked OEM. Same markings, holograms, etc. But was a fraction of a mm thicker than the old one, so that it was quite a squeeze fitting the phone back together again and I've still got a slight ridge around the edge of the screen where it's not quite sitting flush with the backplate. But, given the HTC One M8 isn't designed to be taken apart in the first place and I pretty much mangled the speaker covers trying to persuade them to come off, using a hot air gun, that's just one more minor cosmetic detail. My phone may look like it's done a couple of rounds with Mike Tyson now. But for £17 it's been given a new lease of life and [hopefully] I'll get another couple of years out of it.

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