Questions tagged [battery]

For questions related to batteries on Android devices. Questions about battery life should be tagged with [battery-life]

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5
votes
1answer
2k views

Download Manager causes high CPU usage on Motorola Razr with stock Android 4.0

My Razr (Stock ROM 4.0) is very very hot. After some research I found com.android.providers.downloads is responsible, since it's using about 60% of CPU. I have tried killing it, and it respawns, ...
2
votes
1answer
530 views

Battery drain issue on idle phone, how to find out the culprit?

Overnight, starting from a 100% charge, all apps closed, even from a fresh reboot, screen of course off, my phone (Redmi 6) ends up with a ~90% charge. I know this is abnormal, as my previous phone (...
0
votes
0answers
21 views

Battery drained

Since 2 days ago my phone can not last more than 12 hours in airplane mode. The battery is drained by something. adb shell top shows that system_server is using 100% of CPU. adb logcat | grep 1577 (...
5
votes
4answers
13k views

Why is my WIFI always on?

I have turned off WIFI in the settings, but it's still always running. Doesn't this graph indicate that WIFI is really on all the time? How can this be when it's definitely "off" in Settings? I'm ...
11
votes
5answers
22k views

WiFi drains battery even if it's off

On my Nexus 5, since Android updated to marshmallow, the Wi-Fi is draining the battery way too fast, even when disabled. See the screenshot: (Click image to enlarge) I've seen this question: Battery ...
2
votes
2answers
9k views

How to tame “Phone Idle” battery drain on unrooted device?

I use AccuBattery and Kaspersky Battery Life to measure energy consumption. Kaspersky Battery Life shows, that all the tasks use minimal energy. AccuBattery Pro shows, that phone uses 5-10 mAh. This ...
0
votes
2answers
3k views

HTC One (M8) blinking red notification light

So after replacing the battery in my One (M8) with a new one from eBay, the notification light just blinks orange when charging. When swapping back to the battery before replacement, it, at least, ...
1
vote
1answer
32 views

Is it possible to determine whether a purchased phone has a new battery?

I recently purchased a Samsung phone that was listed as "factory refurbished". Something I found on Samsung's website says that factory refurbished phones will have a new battery installed. However, ...
5
votes
1answer
11k views

How to determine maximum capacity of a battery in mAh? - received fake battery

Is it an increasable value ? I think its not. I just bought an extended 3890 mAh battery for my Galaxy S4 GT I9500. The original Samsung battery is 2600 mAh. This is my second purchase from a ...
0
votes
0answers
29 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 ...
1
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2answers
1k views

Can access Fastboot, but it isn't working. Software issue?

First of all, thanks for taking the time to read this. I know it's a long post, I'm just trying to be as detailed as possible. I've a Moto G XT-1032 that stopped working a couple days ago. It has ...
1
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0answers
18 views

Can I preserve phone battery remotely?

I lost my phone and connected it to my computer via Google account so I can check it's location, commend it to beep, etc. However, I will be able to retrieve it only tomorrow and by then it will ...
0
votes
1answer
5k views

Having serious technical problems / crashing on my Samsung i9300

I have a Samsung Galaxy S3 (i9300) that I've been using for slightly over a year. I am a rather heavy-duty user of the phone, and have used in intensively for that time. I do take care of the phone ...
19
votes
1answer
2k 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....
1
vote
1answer
64 views

Why does the phone shutdown and battery drains super fast on 20% or less capacity when taking pictures?

When the phone is 20%ish or lower battery, after taking pictures the os shuts down. I have observed this behavior on 5 different brands (lg, samsung, lenovo, xiaomi, oneplus), across different ...
1
vote
2answers
2k views

Battery Status Indicator Error?

Okay so I have a very interesting story to tell.... Here is what happens... I charge my phone at night, wake up in the morning, pull it off the charger, about 9-10pm it drops to about 15%, which isn'...
2
votes
2answers
7k views

How can I turn off data when my phone's screen is off and only let data come back on once per hour or so to sync apps?

I have been using an app called Doze which turns off data when my phone's screen is off. I'd like to find a way that would turn off data when the screen is off but would turn on data once per hour or ...
0
votes
1answer
871 views

How to recalibrate the OS for an external battery?

I recently bought an external non-standard 7000 mAh battery for my Samsung Galaxy S3 but the phone doesn't seem to recognize it. Is it possible that the phone needs to be reconfigured or recalibrated ...
0
votes
0answers
37 views

My LG G5 battery is stuck inside the device and I have a frozen 'Firmware Update' screen. Please help

My LG G5 phone is stuck on a screen saying 'Firmware Update'. It has been at 0 percent for hours now and there is a code that says 633A B50. I would have tried to remove the battery, but the bottom ...
0
votes
0answers
29 views

How to to do background restriction to all possible apps in Adaptive Battery?

In Settings > Apps, we can tap each app and apply battery background restriction. But, how to to apply background restriction to all possible apps in Adaptive Battery? Is it possible via an app or ...
0
votes
2answers
798 views

Karbonn Titanium S1 suddenly switches off

My Karbonn Titanium S1 smartphone switches off when I open the gallery, play any game, listen to music or do anything with the phone without connecting the charger. The screen starts to shrink and the ...
0
votes
0answers
22 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. ...
0
votes
2answers
6k views

Wileyfox Swift won't turn on

My WileyFox Swift phone's battery somehow emptied itself overnight and now the phone won't turn on at all. Battery is 68% full. When I plug the charger cable in/out the phone vibrates and the ...
1
vote
1answer
900 views

Android system battery drain

My android phone has heavy abnormal battery drains coming from Android system. 2000mAh and above on a single charge! I know for certain this is a software issue and not hardware. Before I hit the ...
11
votes
3answers
31k views

Automatically limit (stop) battery charging at a given percentage

Device : Moto X Play ( Rooted, Stock, Android 6.0.1, msm8916 Board, XT1562) Why do I want to limit charging ? ( Let's leave out whether my reasons are valid or not and accept that I want to, if you ...
1
vote
1answer
965 views

My LG LEON battery dead?

I was charging my LG LEON and it suddenly turned off with a 0 percentage of battery, then when i tried connecting it to the charger it didn't wanna charge. I tried with five different chargers and ...
42
votes
6answers
78k views

How can I find app name by UID?

In "battery history" I have found that the app with UID 10058 is using a lot of battery. How can I find the name of the app with UID equal to 10058?
0
votes
1answer
42 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 ...
2
votes
2answers
1k views

Is there any relation between charging rate and discharging rate?

Sometimes when I do not use the original charger but a different one it would take less time to fully charge the device than the original charger would do. But I can feel that discharging rate is ...
1
vote
1answer
873 views

Motorola moto 4g, battery drain, always high media server actitivity

I recently bought a motorola moto 4g, and I quickly noticed that the battery is going low very fast! With no use at all, it's going down 15% percent per hour... The mediaserver is always taking up 50%...
0
votes
1answer
1k views

Nexus 4 wont hold charge after screen and battery replacement

I've just replaced my broken screen and put a new battery into my nexus 4 following this you tube vid: http://www.youtube.com/watch?v=AZDAIgwbXk4. When I first plugged in the charger (1A generic usb ...
0
votes
1answer
27 views

Android battery pinout

I have an Lollipop EDC. That Android has battery with 6 pinouts. How to get information about battery pin-out via ADB?
0
votes
1answer
1k views

FTM screen cant remove battery

my phone says FTM it suggests taking the battery out but I cant remove my battery so now what do I do ?
0
votes
0answers
301 views

Huawei P30 Pro I can't set sleep mode to never

I just got my new Huawei P30 Pro and I am not able to set sleep mode to never. Maximum option available is 10 minutes. My battery mode is correct and it is set to "highest performance" so without any ...
0
votes
2answers
89 views

How to make an Android smartphone actually go to sleep?

When I turn the screen off on an Android smartphone, I want battery life to be conserved. Thus, I don't want any third-party apps running in the background, and I don't want the device periodically ...
1
vote
1answer
91 views

Process “irq/288-wcd9xxx” draining battery, how to stop it?

I'm using a Fairphone 2 with Fairphone open OS, under Android 7, (build-number: fp2_sibon-userdebug 7.1.2 19.11.2 sibon-24df0be9), up to date. My battery loses systematically 50% to 90% overnight, and ...
13
votes
2answers
29k views

Using Android phone without battery

Some Android phones have removable batteries, and others are non-removable. It is the battery capacity that makes the device alive for hours. Also, the device can be used while charging. For an ...
0
votes
0answers
179 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, ...
1
vote
0answers
30 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 ...
0
votes
1answer
91 views

Meaning of two low battery screens on Acer Iconia tablet?

According to https://community.acer.com/en/t5/Android-Tablets/Iconia-tab-10-A3-A20-won-t-charge/m-p/513098/highlight/true, Hello, my tablet was working fine for a year and suddenly won't charge up. ...
0
votes
1answer
1k views

YouTube app holds a long wakelock. What app settings can I change to keep it from doing this?

I am using an HTC Evo 4g with Android 2.3.5 Gingerbread. I'm trying to deal with apps which keep my phone from entering sleep mode, and the YouTube app is a major offender. With downloaded apps, ...
4
votes
1answer
14k views

Where are the battery capacity files located?

Background My current device Huawei Honor 6 comes with a 3100 mAh battery. I was therefore surprised to see 3C Toolbox Pro report the capacity as 4000 mAh. I mailed the developer of the app and his ...
0
votes
2answers
2k views

Battery Status problem

I recently updated my Note 8.0 Wifi from 4.1.2 to android 4.4.2, and shortly after that rooted it (But kept the stock 4.4.2, NO custom ROMs or anything...). Of course, as I knew, the battery ...
0
votes
1answer
2k views

Samsung duos remove and re-insert battery makes battery life sudden drop

I have a samsung duos i9082 without root. the battery life drop 10% - 50% when remove and reinsert the battery. So my question is. is this a battery problem or devices or software? Does replace a ...
1
vote
0answers
20 views

Phone shuts off in 3g

I have a Moto Z2 Play with Android 8.0.0, about 3 years old. Whenever I go out of range of 4g (to 3g), the battery goes from 100% to 80 or 70 in a couple minutes and then to single digits very quickly ...
1
vote
0answers
35 views

How to get the battery status from an Android phone with Python connected to a PC via Bluetooth?

Is there a way to interrogate an Android phone with Python on a PC and/or Linux to get battery status while connected via Bluetooth?
0
votes
4answers
2k views

S4 Wont turn on unless removing battery then turns off after 2 seconds

So, my Galaxy S4 turned off randomly today during charge. I attempted turning it back on via the power button but it would not respond. Then I tried taking out the battery and replacing it, the ...
2
votes
1answer
2k views

Where is the battery animation called?

I have a tablet from China, it's a Q8H Allwinner. It is rooted, and I've browsed the internal storage for hours to find the battery animation, I found them at framework-res.apk... Now I want to find ...
0
votes
1answer
2k views

Moto G 2 (2014) Not Charging!

My phone is a Moto G (2014) XT1068. It has recently stopped charging for some reason. This morning it was charging and tonight, it decided that it would be a prick and not charge. Anyhow I tried ...
2
votes
2answers
157 views

If I install an aftermarket “Always on Display” app, will it cause excessive battery drain?

I am shopping for a new phone and it seems that my beloved notification LED has fallen out of favor, so I am willing to settle with Always on Display (AoD) as a second best. I have been reading some ...

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