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

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0
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1answer
15 views

Samsung won't turn on past the logo screen

My Samsung S4 mini won't turn on past the Samsung logo screen. I've tried holding down the down power and menu button at the same time and clearing the cache partition thing and rebooting it from ...
0
votes
0answers
14 views

replacement battery for HTC ONE MINI not working correctly

help...I replaced the battery in my HTC ONE MINI with a advertised OEM replacement battery. When the phone is connected to it's charger, the red light comes on briefly, then starts and continues to ...
0
votes
0answers
25 views

Device stopped charging or detecting USB

This is weird, i was developing on android studio and then suddenly my device stopped detecting USB, i tried rebooting and now device lost detecting USB and even Charger. totally no icon when plugged ...
1
vote
0answers
32 views

LG G2 wrong battery size report

I get a LG G2 with Android 5.0.2, and when I check the battery it says that the capacity is 1900mAh instead 3000mAh that is the real amount of battery capacity. I make a little research and found that ...
0
votes
0answers
19 views

OS Services are causing WiFi modem to wake up

I bought a Note Edge and currently I'm using Android 5.1.1 on it. It works flawessly so far, except the fact that OS Services are constantly waking up modem every second, when the screen is on. It ...
2
votes
0answers
28 views

Is it possible to find out what is accessing the Bluetooth service?

Is it possible to find out what is accessing the Bluetooth service? Right now I have an issue in which my phone will drain after about 8ish hours. The Battery view is showing Bluetooth as the top ...
0
votes
0answers
18 views

Galaxy Tab Coma Bricked?

I have a Samsung Galaxy Tab Pro 10.1. It turned off and did not turn back on, how can I recover it? Details: It is not jailbroken. It was running the Samsung firmware that comes with the automatic ...
1
vote
0answers
44 views

Battery Percentage Recalculate (Not Calibration Reset)

When I'm busy and don't want to reboot, I put the android phone on charge and pull out the battery and put a charged battery in quickly (without reboot) But the battery percentage level does not ...
0
votes
1answer
115 views

Why does ulrdispsvcfastwl wakelock keep draining my battery?

I am using Slimkat ROM on a Nexus 5 with At&t. My battery life has been excellent with this ROM. Recently I've been getting a ulrdispsvcfastwl wakelock that will keep the phone awake continuously ...
1
vote
0answers
22 views

2 years old Zenfone 5, how to control battery use?

Sorry for asking about such an overdone subject. Question is, I have a (as of now) 2 years old Zenfone 5. Android 4.4.2, ZenUI, not rooted (yet), Energy Management off, stock charger. ...
0
votes
1answer
40 views

Interchanging battery with a higher capacity battery

My Redmi 1s has a battery capacity 2050mAh (BM41). And the upgrade of the phone is Redmi 2 with capacity 2200mAh(BM44). Can I use this battery if it fits in my device? Will it creates any software ...
0
votes
0answers
38 views

Incorrect battery status on Lenovo K3 Note

I am experiencing issues with my phone's battery. Once the phone is charged to an extent, say, 80 percent, if I restart it, it shows remaining battery less than 15 percent. And after using it for some ...
3
votes
1answer
157 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
3answers
68 views

Nexus 7 (2012) won't charge or start after a series of problems

A year or so ago, I bought an old Nexus 7 that was very slightly used (I took it off my girlfriend's hands). Everything worked fine, but I barely ever used it. Two days ago I broke it back out. I ...
1
vote
0answers
53 views

Why does my OnePlus One draw 60% more current if I turn off the screen AFTER plugging it in?

It's pretty simple: If I turn off the phone's screen and then connect the wall charger, the power supply draws ~6W from the wall, and this doesn't change if I keep waiting. If I connect the wall ...
-2
votes
1answer
52 views

Does it hurt battery life to not fully charge and disconnect?

Dears, I think the question is quite clear from the title: if I charge my device and let it charge not fully but say, 60% and disconnect, does that hurt battery life? If so, what are the ranges you ...
8
votes
1answer
121 views

Is battery consumption linear?

I am benchmarking an app using the batteryhistorian. The result is a chart where every percentile is a "tick". After I've measured the battery consumption and let the battery drain to half, I would ...
0
votes
1answer
55 views

How to find out which apps are draining the battery?

I'm not sure when it started, but my phone is draining its battery even when being charged. It's likely to be caused by some apps I installed recently. How to find out which apps are causing the ...
0
votes
0answers
28 views

Lg magna keeps on turning off and then gets stuck on lg logo

my Lg Magna android works fine.. but 5days before it started to boot and then got stuck on lg logo.. i tried to hard reset it..! now after 5 days again i am facing the same problem..! this time took ...
1
vote
1answer
42 views

Help me save battery, BBS dump included

I got fed up with my Android battery life and thought I should use it only when really required. Hence, I installed minimum number of apps. I have runtastic, runkeeper, gps status toolbox, ...
-1
votes
2answers
100 views

Is auto sync really killing my battery?

I have been digging the archives for eternity to find that Location Services and Auto-sync (assuming we ignored other factors such as Bluetooth etc -- because my focus is mainly about auto sync) are ...
0
votes
0answers
11 views

Is auto-sync really the biggest battery killer? [duplicate]

I have been digging the archives for eternity to find that Location Services and Auto-sync (assuming we ignored other factors such as Bluetooth etc -- because my focus is mainly about auto sync) are ...
0
votes
2answers
30 views

My tablet is not turning on

I have a tablet not two years old, a few days ago it was left in a hot truck for about two days. Now it won't go past "fast boot menu". I have tried everything, I even tried charging it and the ...
3
votes
2answers
60 views

How can I tell if I need to replace my battery?

I have a refurbished Galaxy S3. Sometimes it charges to 100% while powered off, but reports 51% as soon as I start it up. Lately, it goes down to 50% or lower even right after charging. I haven't ...
-2
votes
1answer
59 views

Lost Android's OS

I bought a Moto G (1st gen). It was upgrading and had around 1% battery and was charging, but simultaneously I unplugged the charger and the mobile turned off and now it's not turning on. It's not ...
1
vote
0answers
56 views

alcatel onetouch FierceXL battery is draining too fast

I've only had my onetouch for 3 weeks now and all of a sudden the battery started draining rapidly, even when I plug it into the charger, and charging very slowly. If i use the phone at all when its ...
-1
votes
1answer
50 views

Automatically enable/disable data mobile

Mobile data have enabled all the time drastically reduces the battery, is there any way to automatically turn on mobile data for 5min and then turn off this each (~)1 hour?
3
votes
0answers
45 views

Nexus 4 Red Notification light with full battery

I have a problem with my Nexus 4. About once in a week it goes in the "deep hibernation mode" and shows this behavior: Red notification light on Nexus 4, won't power on, device unresponsive My ...
1
vote
0answers
61 views

Still gpsd drains battery on galaxy

There are a lot of questions about gpsd drains the battery on Samsung Galaxy noteIII. Most of them, including the official gpsd page, says that it is actually another application which uses gpsd and ...
1
vote
1answer
79 views

NFC battery draining through constant use

Does putting a device that constantly checks/uses NFC affect/drain the battery? One example is Dimple IO which puts NFC buttons on the back of your phone.
3
votes
0answers
2k views

Excessive data and battery usage with Samsung S7 on Android 6.0.1

Recently I bought a Samsung Galaxy S7. I had an S6 Edge, and no problems with Android OS data usage/battery drain. The big problem is, I don't know why, but Android OS is eating my mobile data and wi-...
1
vote
3answers
127 views

Does my battery seriously have a problem or do I have a virus?

This notification keeps popping up on my phone and I don't know if it's real or not, it reads: "Battery has been infected by 6 serious problem! Install DU Battery and all problems will be wiped out."
0
votes
1answer
77 views

Will charging a phone with a different USB *cable* affect the battery life?

I recently realized that I've been using the wrong USB cable to charge my Moto X Play(2015) for probably a couple weeks. The phone is specifically designed to charge very quickly with its' default ...
0
votes
0answers
84 views

Where is the “Process Stats” screen in Marshmallow?

In earlier versions of Android, there was a screen called "Process Stats" inside the "Developer options". But it seems to be missing on Android Marshmallow. Does anyone know if its been moved or ...
0
votes
1answer
242 views

How to charge a newly bought Nexus 5X(lithium polymer)? [duplicate]

I just bought a new Nexus 5X, how should I first charge it? (It's a lithium polymer battery) I plugged it in the charger and the phone turned on. Phone almost had a full charge already though (out of ...
2
votes
2answers
402 views

Why Google play services not included in Doze mode

I'm using Nexus 5 and 6P, Android 6 having a feature called "Battery optimization mode" or Doze mode (in short). It is allowing apps not to run, if they aren't used to avoid battery consumption. ...
1
vote
0answers
59 views

Galaxy S6 Battery Drop

I have a Samsung Galaxy S6, Stock ROM, running Android 5.1.1. Last night, as I was browsing on my phone before I fell asleep, my battery dropped from 19% to 15% in an instant, engaging power save ...
0
votes
0answers
15 views

How to dim the screen on an Android phone without locking? [duplicate]

Given a phone with a password, the screen turns off and the phone locks by single pressing the power button, or if the sleep time-out is reached. The user then must enter the password to get access. ...
-1
votes
1answer
98 views

Set Battery Saver Always On

On Android 6, the battery saver automatically turns on when the battery is low and off after charging. I would like it remain on all constantly without having to manually turn it back on. How can I do ...
4
votes
2answers
887 views

How to fix a sudden increase in battery drain?

My Moto G phone (3rd gen; Android 6.0) used to charge rapidly and last over a day. I upgraded it from Lollipop to Marshmallow in mid-February and it still performed well. However, for the past 3 weeks ...
0
votes
0answers
71 views

Samsung Galaxy S3 LTE Bricked and not charging (gray battery)

Some time ago i had problem with my Samsung S3 LTE, namely, after some time the phone started to flash screen, lose signal and finally crash. The problem lasted about 2 months but I belittled it and ...
-2
votes
1answer
42 views

What does the phone do when it runs out of battery but it has an alarm scheduled? [duplicate]

Does it power off completely or go into a deep sleep state?
0
votes
0answers
128 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
votes
1answer
35 views

Full Charge Notification

When my battery is fully charged I would like a Notification Sound. It used to make a certain tone.I went to my settings, and tried to find it there but it gave me no information to do it. I tried ...
0
votes
2answers
315 views

Infamous Marshmallow WiFi battery drain

Yes, the infamous battery drain bug. I've tried every fix in the book and I can't solve the problem. I've got a Nexus 4 with Chroma (1/18/2016 build) and Hell's core(3.4.0-hC-b87-M) (Marshmallow). I ...
1
vote
1answer
570 views

Fast Charging by Qualcomm 3.0- impact on battery?

I am thinking of buying HTC one A9 My only concern is with fast charging . I have read this thread How does fast charging work? and understood the downside is mainly on battery life. Accepted answer ...
2
votes
1answer
126 views

Marshmallow battery optimisation not working on Moto G

I recently got the Marshmallow update on my MotoG 2nd gen (2014). I was hoping that my battery will last longer if I enable battery optimisation. But I cant seem to enable it. I can go to the battery ...
3
votes
1answer
120 views

Android definition of charge cycle?

Battery life is measured in number of charge-discharge cycles. Charge Cycle wiki says Apple Inc. clarifies that a charge cycle means using all the battery's capacity, but not necessarily by full ...
1
vote
1answer
53 views

Nexus 6 Powered On Strangely

Earlier today, when trying to power on my Nexus 6, I had a strange thing happen. I normally power on my phone when it is still plugged in to the charger, and I tried doing that today, but after ...