Strange problem on LG G4 H815 Battery Drain Anroid OS randmly won't charge - G4 Q&A, Help & Troubleshooting

Hello everybody,
i've an LG G4 H815 european version, now recently i have a strange 2 problems, battery drain fast, and always Android os is on top of list, and the second problem, is that the phone won't accept charger only after reboot, this happen everyday
i've tried a hard reset, another original stock rom, some apps such as greenify etc, the 2 problems are not solved, i've contacted LG, the warranty ended so please can you help me with that issue !!
thanks in advance

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lg D851 unexpected restart with battery below 30%

Hello friends, first thank you all for the wonderful community they built. Excuse me errors because the English language is not my native language.
Well now I tell them my mystery to solve ... because I have in my hands about 5 terminals LG G3 D851 tmobile and it all with the same problem: work well except that when the battery is approximately 20% or sometimes up to 30% the terminal after placing a call goes out or restarts. This also happens to me if I do something that requires a high consumption of battery such as making a video with active flash ... finally after reaching a battery level below 30% the phone restarts or shuts down when attempting .He tried very many calls batteries including new or original and all supposedly have obtained similar results. My question is if it will be a battery problem, the well terminal or some firmware. I tried taking android lollipop and marshmallow and does exactly the same so I think it is not a software problem. Another useful test I have done is test the battery terminals lg g3 but specifically the normal work d855 which inclines me to think it's a problem the phone .... but then there comes another concern me: perhaps will be many damaged terminals together? I say this because as I counted 5 D851 mobiles and all with the same problem. In short, they think about this?
Thank you so much everyone

Questions about LG G4 (Bootloop and battery)

Hy,i want to buy an LG G4 (Single sim,h815) and i want to ask two big questions.
1. I read something about the big bootloop problem, so, the phones that are now on market,they still got that hardware problem that cause the bootloop ?
2. How about the battery ? I read that the battery wasn't so good on lolipop, how it is now on the marshmallow ?
Thanks for answer :good:
Botloop is still a problem no matter when the phone was released - pure lottery. I have had mine since 8 months with no issue but there are bad examples as well.
Related battery, I would say it is below average. I get 48hrs standby with 2.5 SOT with 50% wifi and 50% data. Just web browsing.

LG G4 extrem battery drain

Hello Guys!
Ive got my LG G4 for about a year but i got lately extreme battery problem.
Normally i could use my G4 for about 1,5 days. But lately i got massive Problem after the android 6 update and sometimes the battery is dead after 4 houts.
After the update i made a hard reset and reinstalled everything. Is there anothert thing i could do beside resetting the phone?
It is really strange because if i see a Galasy S6 it takes easy 1,5 to 2 days time without charging.
Also another question i got if it is possible to backup the downlodas from the google play music app.
I got some stations which i downloaded to my phone. But after the last reset the music which was downloded was not restored.
Quite strange because i used the google backup and i thought it would also backup the settings of the play music app?
Or do i have to use another app for the backup?
Greetings
Gold
What version of the G4 do you have? T-Mobile? Verizon?
There have been many reports of the latest Verizon OTA (26A) causing the exact issue you're describing.
carbunch said:
What version of the G4 do you have? T-Mobile? Verizon?
There have been many reports of the latest Verizon OTA (26A) causing the exact issue you're describing.
Click to expand...
Click to collapse
Its actually a LG-H815
Software: V20d-262-02 with European Vodafone branding
There is always the chance of a bad battery like I experienced a week ago when the battery drains fast too and all I did was try another battery which fixed the problem so I had Verizon send me a new battery and it's working fine.

Heavy battery drain

Hello everyone. I have the LG G3 model D855 running Android 5.0. Recently I've noticed an issue with the phone's battery; it drains really fast. The phone was bought in August 2016 so it's pretty unusual for a technically new phone to have a bad battery. Anyway, I replaced it with a new one but the issue still existed with the addition of the battery charging really slowly. I figured the shop sent me a defective product so I told them to send me another one but it still had the same problem. I even ended up formatting my phone but the issue wasn't gone. Can anyone help me? What can I do to fix it? Any type of help would be appreciated.:crying:

[Information]Problem solved with the original battery lg g4 h815

Hello guys, a month ago I had a brick with this model, which solves watching a video of a LG g3 battery. I think it's important, because if it happened to me it could happen to you. I tried to do all kinds of recovery bricks, lg up, qfil and this was the solution.
https://youtu.be/pD6M2ZKWIAc
And this other
https://youtu.be/bfFhTqU0G8g
later I bought through amazon a new and original battery for fear that the phone would be damaged and to my surprise the new battery overheats the phone and the duration is less than the old one.I currently have the custom fredoom rom and the last twrp 131.

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