Questions about Battery life (how long each charge last) or/and Battery Durability (how long until it needs to be replaced) should use this tag.

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0answers
68 views

Battery level calibration after replacing battery [duplicate]

I've been using Xperia ZL C6502 for 2 years. It doesn't have a direct battery replacement facility. I disassembled the phone and replaced the battery with a new one. The new and the old batteries have ...
1
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0answers
569 views

Why “Services Exchange” drains my battery since Marshmallow update?

I have a simillar problem since Marshmallow. Unfortunately, as suggested I did clear the cache and I did a factory reset but the problem persists... "Services Exchange" continues to drain my battery ...
0
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2answers
46 views

Help? My samsung s5 has a weird problem

My samsung s5 heats up for no reason. I have tried factory reset my phone. There's no problem after i factory reset. After i download an app,the heating starts..but when i turn on power saving ...
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votes
3answers
88 views

How to improve battery lasting in Android? [duplicate]

I know the thread What can I do to increase battery life on my Android device? which is a subset of this question. I want to understand how you can improve battery lasting in Android, which is a much ...
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3answers
3k views

Battery Issues-Moto E

I am facing battery issues from days,the battery does not survive even a day even without using the internet. Tried uninstalling some apps but to no effect.It is happening 10 days after 4.4.4 kitkat ...
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0answers
149 views

How does the android system calculate remaining battery time

I am aware that the Android OS when calculating time left it cannot really calculate true usage, and an A.I. algorithm that would learn how you use your phone and give better estimations would ...
2
votes
1answer
575 views

Better battery life by factory reset?

This is a bit odd. I thought I fairly well grokked how things worked, but this seems weird to me. I have an original Moto X. I've had it for almost two years now. It started off with Android 4.2 ...
1
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1answer
119 views

Nexus 5 weird charging behaviour

I've had my Nexus 5 for about a year and a half now, but lately it's showing weird charging behaviour (check battery history graph): I leave it charging every night and it's supposed to reach ...
2
votes
1answer
1k views

Spotting Cause of Excessive Battery Drain

I have a Nexus 6 phone and it has always been amazing with battery power, I can usually go 2-3 days before absolutely needing to charge it and that's with heavy news reading, game playing, phone ...
0
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1answer
212 views

How do I see current average battery statistics on Android 5.1.1 & Nexus 5

I want to see what my current, calculated standby and daily battery life statistics are before Android M is available on my device, so I can see if I've actually an improvement. Is it possible for me ...
2
votes
2answers
166 views

Applications do not close after exiting

I have lately noticed that, after last updates on my Samsung S3 mini (although I am not entirely sure which ones in particular), applications simply do not close after exiting them and keep running in ...
0
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1answer
204 views

Effect of Background Color on Battery Life in Android App

I am studying about the effect of different parameters of Android app on Power Consumption and tips for optimizing them . I came across this paper which states that ligh background color consumes ...
5
votes
1answer
631 views

Don't charge to 100% when always-on wall-plugged-in

I want to use a Google Nexus phone for an always-on wall-plugged-in WiFi tethering access station. It occurred to me that if I just do it like this, then I'm risking ruining the battery within a ...
0
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3answers
379 views

Facebook Messenger consumes a lot of battery even if no messages are sent/received

I recently installed Facebook Messenger and it seems to be consuming a lot of battery, even if no messages are sent/received in a day. Below is the battery usage for reference. As you can see ...
2
votes
2answers
19k views

com.android.systemui rapid battery drain

I have a Samsung Galaxy S5 that is approximately six months old. My OS version is 4.4.2, and my provider is AT&T. The battery in my S5 will usually last me 2-4 days without charging, depending on ...
1
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1answer
539 views

Effect of changing resolution on battery

There are various ways to change the resolution on Android devices, and I was wondering: Does it have any noticable effect on battery life? And has anybody ever tried doing some proper measurements?
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2answers
3k views

Xperia Z2 (Kikat 4.4.4) - STAMINA mode does not work?

STAMINA mode does not work on my Xperia Z2 - Kikat 4.4.4 (latest version) I found a discussion in this ...
3
votes
3answers
359 views

Is it possible, that old smartphone becomes slow simply because it is old?

I have 3.5 half year old Samsung / Google Galaxy Nexus i9250. The phone has become so slow after that time, that it is simply being unusable. Launching any application, as simple as Gmail or Calendar ...
32
votes
3answers
53k views

Do I have to charge my phone before I use it the first time?

When I got my last phone, a SE k850i, I was recommended to charge it fully once before I even turned it on. Does this apply today as well, for my coming HTC Desire HD? Why was I recommended to do so ...
0
votes
2answers
6k views

Sudden battery drain on Samsung Galaxy Ace 2x

I have a Samsung Galaxy Ace 2x that is not yet a year old. For the last 6 weeks, the battery has been draining very quickly, even though I have turned off everything that would cause this (GPS, WiFi, ...
1
vote
1answer
737 views

Battery draining fast because of Android System

I'm on a HTC Droid DNA with 4.4.2, not rooted. My battery is going down really fast. When I look in power settings it shows that the main offender is Android System with 92% of power usage. I know ...
1
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1answer
55 views

2014 moto x battery life

I'm experiencing an issue with my 2014 Moto X's battery running Android 5.1 and I was wondering if someone have any suggestions or something ... for example, yesterday I had about 30% left of my ...
1
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0answers
415 views

How to care for a lithium-ion battery so that it will remain useful for as many years as possible [closed]

My question I own an Android smartphone with a lithium-ion rechargeable battery. I want the battery to remain at least somewhat useful as long as possible — even for five or ten years, if such ...
0
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1answer
6k views

How do I set a lock screen wallpaper on the OnePlus One with the latest Android Update?

Okay so previously on the home screen ,I'd press the menu button- wallpapers- lock screen wallpaper and select my image to set as the lockscreen wallpaper.I can't do that anymore after the lollipop ...
16
votes
6answers
31k views

Mediaserver using excessive CPU time and battery

I've got a Nexus 4 on OS version 4.2.1 that suddenly started to drain it's battery very quickly. When looking in the battery usage I see "Mediaserver"eating 60% of the battery over time, with several ...
0
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3answers
3k views

what could cause a sudden drop in battery life?

According to my battery graph the phone went from 85% to 0 in an instant. I wanted to add a screenshot, but I do not have enough reputation. The last time I checked it was nearly full, and 7 hours ...
5
votes
1answer
24k views

Display screen keeps waking up when locked

When I lock my Samsung Galaxy Nexus by pushing the power button, my phone's screen darkens for a few seconds, then keeps staying awake with the lock screen displayed. This keeps eating away at my ...
0
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0answers
160 views

How do I prevent apps from waking up Sony Xperia 3 compact?

I have a Sony Xperia Z3 compact, with Android 5.1.1. This phone is not rooted, and actually belongs to a friend, so I cannot root this phone. I am having battery life problems that appear to be a ...
0
votes
1answer
266 views

Battery drains on my LG G3 despite everyone saying it has a great battery life

So I have my LG G3 for 5 days and the battery life is not what i expected. I am not a real havy user, when I am home WiFi is turned on when I'm using the internet, data is always turned off like ...
2
votes
1answer
145 views

Tablet shuts down due to low battery when battery meter is above 10%

I have a Nexus 10 whose battery-level estimation seems to be inaccurate: when the battery meter gets to around 10% to 15% remaining, the tablet will abruptly shut itself down the way it's supposed to ...
1
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1answer
217 views

Battery drain of 20% at night without any use on nexus 5

I have recently replaced my battery on the nexus 5 . I thought I would be looking forward to a huge battery life difference but I was surprised that even with the new battery the drain is 20% at night ...
1
vote
1answer
5k views

Very high battery drain by Android OS, Android System, and Screen in Samsung Galaxy Note 3 running Lollipop

I've got a Samsung Galaxy Note 3 (SM-N900) running Android 5.0. The battery life is terrible. Most of the battery is taken by Android OS, Android System, and Screen. The moment I switch the screen ...
0
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0answers
74 views

11 “Android System” running

One of them is taking up ~45% of all ram. My battery is dying even when idle and charging. I've scanned for malware on AVG and DU and haven't hit anything. I am on a Verizon Samsung Galaxy Note 4 ...
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0answers
13 views

mm-qcamera.daemon draining my battery on Droid turbo [duplicate]

I have not installed any new programs or used my camera and this started yesterday. I do not have Skype installed. I have powered off twice and it is still doing it. Please tell me how to fix it
2
votes
1answer
179 views

How can I track cause of “Android System” and “Android OS” battery usage

I've got a Samsung Galaxy SIII which quite suddenly, though it was in airplane mode the whole time, started to drain the battery in less than 6 hours. Updates to several bits of Samsung bloatware ...
9
votes
3answers
6k views

Do battery saver apps really work? Is it possible to save battery programmatically?

There are numerous apps in the Google Play store claiming to double or triple the battery life. Is it just a myth? Or can they really? If they really do save some power, why doesn't Android do it by ...
-1
votes
1answer
31 views

Can I make the status bar update less often?

I was playing with the developer option s, and turned on show screen updates, which shows that the status bar is updated less than once every second. But all I have there is the Llama icon, the ...
0
votes
0answers
97 views

Huwaei Mate 2 - Randomly shutting off

So i have a Huwaei Ascend Mate 2 and it will be charged and randomly shut it's self off and i have to do the power + volume up to get it to boot again i had to recently replace the screen and yes i've ...
2
votes
1answer
628 views

Why don't the percentages on the battery chart add up to anywhere near 100%? [duplicate]

I'm trying to figure out what's using my battery life by looking at the battery page in Settings. (I don't know if this screen is Cyanogen specific, or a stock Android feature.) Here's a recent ...
0
votes
1answer
111 views

Android showing battery at 100% even when left for straight 10 hours in night

Just started using an Android phone and left it overnight to see how long it would last. After about 10 hours the battery is still at 100%, so could there be some kind of delay when it comes to the ...
0
votes
0answers
3k views

Battery draining faster after recharging on Galaxy S4 Mini

I'm struggling with my Samsung Galaxy S4 Mini. Actually the battery is very good and since I don't use my phone a lot, it lasts pretty much 2 days when I let it die and full recharge it. The issue ...
1
vote
0answers
1k views

How to permanently disable mediaserver service?

I am trying to permanently disable the notorious power hogging mediascanserver or mediaserver (whatever it's better known) service on a rooted Jiayu S3. Here are my ADB commands: su pm disable ...
20
votes
1answer
9k views

How does Android obtain battery temperature?

I am curious about the way Android phones obtain the battery temperature. Android has an API called BatteryManager which provides the value of instant battery temperature, but is there an actual ...
0
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0answers
16 views

Droid overheats frequently following large files upload

I have a Droid with no SD-slot, a non-replaceable battery, and not that much on board memory (16GB of memory but less of that is usable) which means that memory clearing has to be done frequently and ...
0
votes
0answers
14 views

Do all apps close when I delete my recent apps history? [duplicate]

I searched for this on Google several times, and I couldn't find any answer on stackexchange, so here i go. I have a brand new Nexus 6, with Lollipop of course. But I never really get the recent apps ...
1
vote
0answers
2k views

Why does the Kernel and Android System/Android OS drain my battery?

3 hours since unplugging my phone, and at light usage it's at 61%. It is the kind of problem I've had with my previous phone, and I have with my current phone, often starting a few months in and ...
1
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2answers
1k views

Battery life indicator has failed

A week or two ago my battery life indicator for my Motorolla Atrix 4G has ceased to working properly. The indicator indicates the battery drains ridiculous fast and it's inaccurate. I'll fully ...
3
votes
3answers
5k views

How long device has been running since last charge?

In Android Lollipop, how do I see how long it has been since the last time I charged the battery? I mean I can get the approximate time by eye-balling the graph shown in Settings -> Battery. But, is ...
241
votes
6answers
62k views

Does constant charging harm my Android cellphone?

I usually disconnect my cellphone from the charger some time after it's fully charged because I'm afraid the battery could lose capacity over time if I don't. However, I believe modern electronics ...
2
votes
1answer
212 views

How to preserve battery while trekking remote locations?

I will use my phone while trekking in a remote area and want to conserve its battery. I won't have phone or wifi networks, but I want to record my track using Google's My Tracks and take photos. How ...