Questions tagged [charging]

For questions specifically about issues with battery charging or power supply.

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4 views

Phone won't stay off when charging (moto edge plus, Android 10)

After getting a replacement phone from Verizon, the new edge plus will not stay powered off while charging, as the last one did. After looking on the forums, I enabled developer options, but "...
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Plug Android smartpone into PC without loading | LineageOS

I am using my main smartphone for developing Android apps and doing research. I set everything up and searched for a specific option under USB Preferences, when connected to my computer. As I don't ...
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51 views

What to do if my Samsung Tablet keeps restarting

My Samsung S5e Tablet keeps restarting almost every few minutes if I use it or not I have sent it in for repairs but when I got it back It still keeps restarting its just been over a year since I got ...
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17 views

Reading battery level/voltage via USB port

I'm interested in creating a device that needs to externally monitor the battery level or voltage of the phone via the USB port. I haven't had much experience with the inner workings of Android, but I ...
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1answer
149 views

Does 'Battery Protection Mode' turn on automatically?

I'm the founder of a company that deploys Android tablets into a hospital Making sure our tablets are plugged in is really important to us. When devices get unplugged we alert hospital staff to plug ...
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21 views

Suppress “battery charged, unplug” notification in Android 9

There are some older questions about this (2013 for 4.0: How do I get rid of the "Battery fully charged, unplug charger" popup screen? ; and 2010 with a 2016 answer: How to disable battery ...
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2answers
81 views

Asus Zenfone cycling in the starting of charging process

I have an ASUS ZenFone Max Pro (X00T/X00TD) It is/was discharged and powered off. When i plug it in for charging, it is cycling in start of chaging: vibration the icon of empty battery The bootloader ...
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26 views

Why is fast charging unreliable?

I have a variety of fast charge plugs and cables as well as an Anker power bank and a Nitecore NB10000. They support up to 3A @ 5V, 2A @ 9V and 1.5A @ 12V (i.e. 15W-18W). I believe the S10e is limited ...
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49 views

Making a device to simulate low battery early

I have device which is used commonly by a layman kin. She does not really understand, why spares the battery if we do not wait until it goes to zero. She thinks, the device needs charge only if it was ...
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1answer
40 views

Phone temperature sensor not working - Charging slow - How to fix?

Recently, something has happened to my phone's temperature sensor. It's showing ridiculously high values for the temperature (over 100 degrees), even though it's very cold. This has caused my phone to ...
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26 views

How to keep running Android tablet with dead battery

I‘m using Android Galaxy View tablet as photo-frame, integrated in the wall with AC adapter connected constantly 24/7. The problem is the battery inside tabled dies each year. And when the battery is ...
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Is it possible to keep the user data with a smartphone that boots to the data wipe menu?

My smartphone turns on without passing the OS loading screen, then loads the recovery menu (Redmi-Recovery 3.0). I can't turn off the device, I tried waiting for the battery to run off, charge it and ...
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47 views

Screen on when charging on powered off phone

The issue My phone's screen is always on when I charge it while it is turned off. It displays this image: And the screen cannot be turned off. I believe it is not charging either, but I can boot it ...
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1answer
38 views

Android phone powers on spontaneously during charging

I want to charge the phone while it's powered OFF. But it automatically turns itself ON during charging. It may be 87% or 90% or 100%. I don't know the exact reason. Model = LG-K430n. I don't like ...
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9 views

can I use a USB-C to charge my kindle and still use the kindle to interrogate my add on system that uses USB 2 or 3?

can I use a USB-C to charge my kindle and still use the kindle to interrogate my add on system that uses USB 2 or 3? I am a mac guy so I am not so good with android devices but love my kindle as I ...
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1answer
54 views

Can I replace Huawei 40W supercharger with third party charger but still provide supercharging feature?

Can I replace the Huawei 40W supercharger with a third-party charger but still provide a supercharging feature? I don't know what's those fancy things, but electronic isn't rocket science, but I tried ...
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1answer
48 views

S10 draining over 10% battery per hour while idling

My phone is less then a year old and I had my Screen replaced by Samsung about 2 months ago.(they also changed the battery and aluminium body).So the battery is almost new. About a week ago something ...
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1answer
36 views

What can I do to slow down battery degradation of portable power bank for my Android phone?

I just got Inland USB-A 5,200mAh Power Bank w/ LED Indicators for my android phone. It has a one-year warrantee, which seems to tell that its battery might degrade significantly after one year of ...
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1answer
365 views

How can I re-flash stock firmware for my Nokia 6.1?

I've developed an issue since the last Android 10 OS update where the phone doesn't charge unless it's in 'USB Controlled by device' mode, which it usually fails to switch to. I'd like to try flashing ...
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27 views

Automatic boot when charging without root / fastboot [duplicate]

I have a Samsung Galaxy Folder 2 and trying to have it boot when the charging cable plugs in. The phone is not rooted (and probably not going to) and doesn't have fastboot (instead it has ODIN mode). ...
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1answer
43 views

Is it possible to reduce the charging current? [duplicate]

I'd like to reduce the charging current of my phone, because It gets too hot I am charging it overnight so it's more beneficial to charge it slowly. Is it even possible from a hardware perspective ...
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1answer
25 views

Reviving my phone after a small part of it (eg the processor) overheated

I tried to compress my 1.6GB video in the Media Converter app by exporting it to mp4(h264,aac) on my OnePlus 3 as per https://www.quora.com/How-do-I-reduce-video-size-on-Android. However, ...
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23 views

Smartphone not charging when turned On

Smartphone: Xiaomi Redmi Note 7s I have been charging it with Pixel XL's charger for 4 months. It stopped getting charged while turned on yesterday. If I turn off the device then it will take ...
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1answer
42 views

Dropped phone into water and shut down automatically after the logo is displayed

I dropped my phone(Asus Zenfone max pro m1) into water then I took the phone out from the water and turned off and cleaned the phone surface with a dry cloth. Then kept my phone in a pouch with ...
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1answer
224 views

Is it safe for the battery to turn on the mobile data all the time?

I usually turn on my cellphone Mobile Data & WIFI all the time because I don't want to miss SMS and Emails. I'm afraid the battery could lose capacity over time if I keep turning on the Mobile ...
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1answer
58 views

Can I use these chargers interchangably? [duplicate]

I happen to own two android devices, a Huawei P30 Pro and a Samsung Galaxy Tab S5e. Both devices came with a charger, the specifications can be seen here I'd like to charge both devices with one ...
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2answers
424 views

Bootloop and random restart issues in android (Gionee A1 plus)

My Gionee A1 plus started acting strange a month ago. It would often restart whenever I received any SMS notification and then boot up just fine. I tried using an earphone and keeping the phone in ...
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9 views

my Samsung S8 won't charge used the usb port

It is stuck on transferring files and won't change to charging only. It will charge without sim and turned off and using wireless charger! I've tried safe mode too but nothing
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32 views

automatically power on android when charge is 20% or 10%

I know its duplicate on Power on when charging but only when battery level is greater than 20% but it seems that question has no answer and also android version has changes a lot , I am on Android 10 ,...
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1answer
103 views

Moto G6 not charging, not connecting via USB and battery indicator frozen at zero, not enetering battery saving mode

Here is how problem came about: I unlocked my moto G6's bootloader and fastboot flashed twrp-3.4.0-0-ali.img in it. I opened TWRP trough the recovery option in fastboot, and enetered my PIN, but TWRP ...
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37 views

How would one simulate a charging experience on a real android device?

I possess a Samsung Galaxy S8 with Samsung Global Goals installed. The app allows you to donate based on ads viewed during the time the device is charging. Would be possible to essentially 'fake' the ...
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213 views

Android control battery charge programmatically

I'am using a Linage Android image (rooted) to control the battery charge and discharge with the commands: Charge: echo 0 > /sys/class/power_supply/battery/batt_slate_mode Stop charging: echo 1 >...
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27 views

Why does my phone burn out USB cables when plugging them into my car?

I have an Oppo A73 phone, and over the last week it has started burning out USB cables (puff of smoke, cable no longer charges) when plugging it into my car (2015 Suburu Outback). It had never done ...
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1answer
59 views

How does Battery Management System work (at the hardware-interface level) ? And how is idle self-discharging of batteries handled?

I came across the following when I was reading up about fully drained batteries in phones: If the phone is OFF for a month, then it is probable that the battery has gone down to a point that the BMS ...
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28 views

What are the various technical specs of a fast charging cable?

What technical specs do I need to look for to know a cable will be compatible with my phone? I just bought a new Motorola G7 supra and none of my existing USB type C cables work with it. I plug it in ...
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17 views

Moto e4+ fast charging issues

My moto e4 plus is 2yrs old.Suddenly at 75-80% it's charging rate drops then after a while suddenly it charging very fast after that stoppage.can anyone tell me reason !please
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2answers
605 views

How do I change the Battery Percentage that corresponds to a Voltage in Android

My original Li-ion has 3000 mAh capacity. I've modded my device to have a total of 7000 mAh capacity now. The enhanced capacity means that my percentage is not displayed accurately anymore. About ...
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26 views

I have a one plus one whose touch has stopped working

It was switched off for a really long time I charged it and its touch was only responsive for 20% top area. I rebooted it by pressing the power button for long and now only a part in the middle doesn'...
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35 views

Getting data of phone with dead battery

I have to get data off an old Zuk Z2 Plus that was working when it got replaced by a new phone and left lieing around for a year or so. Now it does not boot any more. When I plug in power, the screen ...
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25 views

Note 9 usb c to usb c charging

Is it safe to charge my Note 9 with a usb-c to usb-c cable and charger? I have been unable to get a clear answer anywhere online.
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1answer
4k views

Don't charge the battery but use connected power to run the phone

Answers to this question Is power consumed from battery to run the phone when charging? explain how charging while phone is in use does both - charging the battery and powering the on going activities....
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0answers
34 views

Sony Xperia XA1, overcharing battery damage?

My cell phone is a Sony Xperia XA1 and it has Android 8.0.0 I think that when I got the phone the manual might have said that the phone has built-in protection from overcharging. But I am not sure. ...
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0answers
33 views

Phone works fine, quick charge and file transfer over USB doesn't

I have an LG V35 ThinQ, months ago I tried to root it using KingoRoot since its the method I used to root my previous phone, however it had to download some files first and at the time the internet ...
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0answers
116 views

Connecting Samsung S9 to MacBook's USB Type-C behaves like charging - not charging - charging - etc

I am trying to use my Samsung S9 to test a mobile app. I activated the "Developer options" and these are my "USB settings" (opened when I tap on the "Android System" notification): And when I "Tap ...
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1answer
49 views

Is it a bad idea to let your phone keep charging all the time?

I read somewhere that long periods of charging can be bad for the battery and the best level to keep your battery at is around 50%. Is this true? If it is then after how long will the battery show ...
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0answers
460 views

Android system keeps resetting default USB configuration upon PC connection

Whenever I'm connecting my Samsung Galaxy A40 running Android 9.0 to a laptop or PC, I'm getting an annoying prompt to allow data transfer, and the following setting which I had set to "Charging phone ...
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26 views

S9 won't charge with a cable. Will charge wirelessly though

Last night my S9 was charging just fine and I woke up with a 100% But I was at work and tried charging it but it didnt work at all. I've tried cleaning out my charging port and it looks super clean. ...
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1k views

Is it possible to boot a Android smartphone without battery with charging wire on?

Problem The title of this post seems a funny challenge. But frankly, there are a lot of worthy points involved in this question. If a Android phone support rapid charging. If its battery is removed, ...
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0answers
40 views

Samsung Tab A6 won't leave battery screen or turn on

I'm currently having issues turn my A6 on, in that it simply won't start up. I have tried: Holding the Power and Volume Down button, Holding the Power button for 30 secs, changing cables, changing ...
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99 views

Turning off super fast charging

How can I turn off super fast charging on my p30 pro dual sim? I heard that super fast charging can inhance battery drain, so I decided to disable it in my system operation.

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