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22
votes
7answers
2k views

Is power consumed from battery to run the phone when charging?

Is the power consumed from charger or battery to power the device when charging. I ask this because I want to download torrents while keeping the device plugged to charge. I want to know if my battery ...
5
votes
2answers
120 views

Bought a new battery, do I need to calibrate it?

My original battery is bloated and is dying quickly after a full charge so I now bought a replacement. Do I need to calibrate this new battery using a calibration app?
4
votes
3answers
21k views

Samsung Galaxy S5 turns on when fully charged and never turns off

I just 'upgraded' from the Samsung Galaxy S4 to the S5. Both use similar 4.4.2 Touchwiz software, but by new one has some odd behavior. I'll explain. Notes: I set smart screen sleep (or timeout, how ...
4
votes
2answers
159 views

Forcing Higher USB Current

The Big Problem: Like a lot of people we are finding that our tablet does not maintain charge when connected to USB (PC or other device, not AC jack, we need data and charging simultaneously). What ...
3
votes
1answer
364 views

USB charger produces high-pitched noise while charge is at 100%

I recently bought the European version of the PowerCube, which combines three power outlets with two USB chargers. I noticed that as soon as my smartphone charge is at 100%, it starts producing a ...
3
votes
2answers
195 views

My phone doesn't always charge at full speed, even with certain 2-amp chargers. What are the necessary conditions for it to charge at full speed?

I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide up to 2.0 amp current only provide ...
2
votes
3answers
84 views

What happens to CPU frequency when Android downloads a large file with screen off?

What happens to CPU frequency when Android downloads a large file with screen off? For example, I start downloading system update file and hit the power button to dim my screen...What happens to CPU? ...
2
votes
2answers
8k views

How can I stop SD card from constantly unmounting?

I had problems with constant unmounting of my SD card from phone when it was not on charger. The problem was with powering off some power when disabling display to save energy, but this power was ...
2
votes
2answers
101 views

Automatically power-on Android phone at a given time?

Is it possible to automatically power on Android phone at a given time?
2
votes
1answer
2k views

Power Efficiency: Network mode 4G LTE vs 3G GSM/WCDMA?

Firstly I think this is the right place to post this, sorry if it isn't - and please let me know! Which network mode is more power efficient: LTE 4G or GSM 3G? I assume using a 4G network uses more ...
2
votes
3answers
347 views

How can I tell how many milliamps my phone is drawing from the attached charger? Preferably without having to use a multimeter.‚Äč

Android.SE user "intuited" observes: I've noticed that my S4 doesn't always charge at its maximum rate of charge, even when it seemingly should. For example, car DC adapters that claim to provide ...
1
vote
1answer
393 views

Could PowerTutor app measure exact whole power consumption of devices using GPU?

I'm developing face detection app using OpenCL for heterogeneous devices with CPU-GPU. My app uses CPU - GPU simultaneously. So I want to measure app power consumption comparing only GPU version which ...
1
vote
1answer
2k views

Notification led's generic consumption?

Okay I know that all phones got different hardware, and that leads uses just a little power. But. What if I set my led notifcation speed to high (like the light will pulse faster)? How much would ...
1
vote
2answers
1k views

Remapping power and volume keys

My power button has broken so I'm trying to use the volume up key as the power button instead. My phone is a rooted Sony Xperia Go ST27i running Android 4.1.2. I've tried ButtonRemapper, but this ...
1
vote
2answers
5k views

My Tab 3 will only charge from the wall adapter from Samsung [duplicate]

I'm going on holiday soon and we planned to take a USB hub to charge all of our devices rather than take several wall adapters, however when I checked that my 7" Samsung Galaxy Tab 3 would charge I ...
1
vote
1answer
40 views

How to restore power button to its default settings?

The power button stopped working. I am pretty sure an app messed up its behavior - I don't know which one of the many I recently un/installed trying to fix another issue. I am pretty sure it's not a ...
1
vote
1answer
537 views

HTC One M8 overheating, random reboots and unable to power it off

Last night I forgot to charge my HTC One M8 phone, and when I woke up in the morning, the battery was dead, Unsurprisingly. I plugged it in to charge for about 20 minutes (only to about 30 % or so ...
1
vote
1answer
899 views

I'm missing the silent, vibrate or sound toggle on lolipop's power button

The "silent, vibrate or normal sound" toggle function have changed somehow on my nexus 5 to merely an "off" function, when I hold down the power button. I'd like the old options back, but I can't find ...
1
vote
1answer
61 views

How to turn on an Samsung J7 using an external dc power supply?

I would like to turn on my smartphone using an external power supply. The problem is that the Samsung J7 uses 4 pin (+,,-,) to connect to its battery. The first pin is the positive and the third one ...
1
vote
1answer
136 views

Wet phone, charge symbols shows, but wont turn on

My Galaxy S6 got wet and i dried it out as much as possible. When i plug it in, the charge symbol shows up on the screen and it shows that its fully 100% charged but when i press the On button, it ...
1
vote
0answers
42 views

Nexus 4 power button issue

I read a lot about this but nowhere I could find a specific issue which I am facing. My power button's hold function is not working. I can lock my screen but anything which involves me having to hold ...
1
vote
0answers
149 views

Sony Xperia S access internal storage with phone shutdown

there is a similar question here regarding a galaxy s2 I had some struggles with my phone over the last few months, but now the power button isn't working anymore (buttton fell off and also this ...
1
vote
0answers
13 views

Power button replacement (Remap) [duplicate]

Somehow I broked up my Samsung GT I9000 Power button (So I can't power it on) I powered it on using PC ADB command and I remapped the Home to be a power button (long pressing Home shows me Power ...
1
vote
1answer
117 views

Device does not boot after crash without power plug

In the last few weeks I'm faced with a somehow strange behaviour of my Android device (Samsung Galaxy S4 active, GT-I9295, Android 4.2.2, Kernel-Version 3.4.0-2015525): If the phone crashes resulting ...
0
votes
2answers
403 views

Does Using 2.0 or 3.0 cables affect charging speed with same adapter?

Using my Note 3 If i charge my phone using the same adapter but with different cables, does that affect the charging speed with the 2.0 cable or 3.0 cable. am supposing the 2.0 cable is of best ...
0
votes
1answer
2k views

Android Boot Up When Power is Applied Through Induction Charging - Rooted Google Nexus 7

Initially, I looked into StackOverflow for an answer to this question, but my lack of experience was evident when I was redirected here, where my question was considerably more relevant, being based ...
0
votes
2answers
278 views

Where can I find the battery animation file?

Note: I'm working with a chinese tablet. Sorry. Had to do it to avoid flagging as a duplicate - I've seen many many questions and answers on this topic but still don't solve the issue. I'm looking ...
0
votes
1answer
40 views

My samsung tablet just fell and its power off button is not working

Is there any other way to shut it down and on the samsung tablet???
0
votes
0answers
25 views

Power button does not work

I have the following problem: most of the times (but not always) when I press the power button, instead of correctly lock/unlock the screen, it turn up the volume. When this happen, if I press it ...
0
votes
1answer
67 views

How to automatically shut down tablet after it auto-powers on?

Currently my tablet sometimes switches on by accident, which I don't want. (I'm cycling through Africa and sometimes power connections are minimal.) I need a way to shutdown the tablet after starting ...
0
votes
1answer
47 views

RAZR D3 Power Button don't (un)lock screen

i'm searching for a few days an answer to this problem but none it has solved the issue, the situation is the following: When i press the power button in my RAZR D3, nothing happens. If the device ...
0
votes
0answers
27 views

CM 10.1.3 Randomly freezes, and stock ROM phone does the same

Using a samsung galaxy tab 2 p3110 on CM 10.1.3 RC3, and a Sony Xperia E C1505. My tablet randomly freezes, with no reason. Sometimes its 9 or 10 hours after its last turn on, sometimes its 10 ...
0
votes
0answers
158 views

Hp slate 7 will not charge

My sister, bless her soul, is having her birthday tomorrow, and the tablet she has will not charge. Is there any way to sort this out? Thanks in advance from me and my sister! Tablet in question - ...
0
votes
4answers
113 views

How do I turn off that annoying sound when power is connected on a Xperia Z3 Compact?

Is it possible to turn off that annoying sound when power is connected? I have got the answer from Sony Support that this is a "feature".
0
votes
1answer
60 views

How can I charge my aging Samsung phone (with Quick Charge 1.0 technology) at full speed?

I own a Samsung Galaxy S Relay, which is an Android phone a few years old. It's sort of similar to the Samsung Galaxy S III, but it also includes a slide-out physical keyboard. Like the Galaxy S ...
0
votes
0answers
554 views

How to connect both a monitor and a keyboard to a LG G3?

Using USB to Go I can connect a keyboard to an LG G3 and using a slimport adapter I should be able to connect a monitor. Is there a way to connect both at the same time? Or even better, connect both ...
0
votes
1answer
47 views

Car charging at >500mA

I've plugged the AC charger for my Samsung Galaxy S4 into an inverter connected to my car's DC outlet. The inverter is able to power my laptop AC adapter without issues. The S4 charges, but not at ...
0
votes
0answers
25 views

Xperia Sola Continuously turns on and off

My phone seems to continuously turn on and off. I tried holding the power and volume down button to turn it off, but it still continues. Also tried flashing it with Sony's Emma software, but the phone ...
0
votes
0answers
162 views

Do Mi Power Banks Supposed to Charge via AC or USB Mode?

1) Using the common cable (power + data), does Xiaomi power banks supposed to charge via AC or USB Mode? 2) Is the OEM cable in included in the packed supposed to be "power + data" or "data-only"? ...
0
votes
0answers
151 views

Nexus 4 Does not turn it on, Red Notification light blinks only

This morning my nexus 4 (Android 5.0.1) having some issues about crash of google applications. I decided to do factory reset so i went to settings and apply factory reset, it was showing power turn ...
0
votes
0answers
155 views

Bizarre New Battery Behavior in GT-I9300

After my old battery puffed up, it was time to buy a new one for my Galaxy S3 GT-I9300. After I got my new battery, I put it in and turned on the phone as I had some urgent messages to check. I was ...
0
votes
1answer
103 views

Power android phone with portable battery charger and internal battery removed

Is it possible to power an android phone (e.g. Samsung Galaxy S II) with its internal battery removed, using a portable battery charger? This question is about phone with internal battery that is ...
0
votes
1answer
75 views

What is the output of an RFID chip on an average android device

It's really difficult to find any sort of information on the internet for this, it would really help me with a research project.
0
votes
0answers
227 views

Fully Charged Nexus 7 Won't Power On

I just bought a nexus 7 (2012) from eBay as parts and it won't turn on. I was able to power it and it turned on, enough to go to where it was before it was dropped by the previous owner. It showed ...
0
votes
0answers
208 views

Android usb otg high current negotiation though hub?

I have been tinkering with a android usb-otg project and could use some assistance. I have been able to invoke usb otg power delivery in my host device (galaxy s3) to an peripheral through a makeshift ...
0
votes
1answer
1k views

Power button won't hold on LG Optimus F3

I have an LG Optimus F3. Last night, I wanted to screenshot something, but the power button wouldn't hold. I can press it and the screen would turn on/off, but it wouldn't hold. I tried holding it for ...
0
votes
0answers
777 views

Turn off power notification sounds (LG-G2 Verizon)

I've got a LG G2 (Verizon) and I'd like to turn off all the notifications for when I plug in my phone, when it unplug it, and when it gets to full power. I've turned the system notification volume ...
-3
votes
1answer
54 views

Is it possible to implement emulator snapshot option on real device?

First of all i have no idea if it is possible or not. I am just wondering: Is it possible to use something like emulator snapshot option on real Android device so that we don't need to boot at every ...