For questions about power on/off, and the like. Note that charging has its own tag.

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0
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0answers
18 views

LG G4 factory reset data corruption?

I was factory reseting my LG G4 and my phone powered off. It wont boot up now. I know some versions of the LG G4 have a boot loop problem. I was wondering though if since it was shut off in the middle ...
1
vote
1answer
28 views

Hard brick phone exchange and deleting data

I have a Samsung Galaxy Note 4. While it was charging (it was near full charge) it rebooted on its own and continued to charge. It then must have shut itself down because it was off. I could not turn ...
0
votes
1answer
26 views

Samsung Galaxy Note 10.1 went from functional to completely dead in 12 hours

My Samsung Galaxy Note 10.1 tablet was working normally before bed. When I woke up, the screen had gone to just grey stripes like a bad test pattern, and I couldn't turn it off whatever I did, so I ...
0
votes
1answer
40 views

HTC One M9 won't turn on

My HTC One M9 is fully charged, but will not turn on. The red charging light is on, not blinking. None of the buttons respond. Many sites say to hold the Volume Down button, then press the Power ...
0
votes
0answers
10 views

how do i delete T-mobil header on power up from unlocked s5

I got a t-mobil unlocked s5. When the phone powers up, it still gives a T-mobil power on screen, even though the phone is now carried by ATT. How do I remove the T-mobil power on screen?
3
votes
1answer
108 views

MOTO E not turning on after upgrade

Run the update on my moto e yesterday, and after installation, it shut itself off an couldnt turn it on again. I got 1 or 2 blink led while pressing power for 10 seconds (this only if it is plugged), ...
1
vote
1answer
143 views

Powering Samsung J7 using an external DC power supply

I would like to turn on Samsung J7 using an external power supply. The problem is that it uses 4 pin (+,*,-,*) to connect to its battery. The first pin is the positive and the third one is the ...
0
votes
1answer
103 views

Bootloop after modification of “/system/bin/playlpm” file

Modification of playlpm file sets my Samsung Galaxy S4 Mini I9192 into boot-loop. Instead of normal booting, it goes back to battery charging screen without animation, reboots again and keeps ...
1
vote
1answer
249 views

How to turn on phone from computer

I got an old phone, HTC WildFire S, which works perfectly expect one thing, the power button has gone bad. Can I start my phone from computer using USB connection somehow?
1
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0answers
219 views

Lenovo S6000 - Auto power on after connecting charger

I searched the web to automatically power on my lenovo tablet after connecting the charger, but all the guides are for samsung and some other brands. File /system/bin/playlpm doesn't exist in lenovo ...
0
votes
1answer
118 views

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

Currently my tablet on Android 4.0.4 (rooted) 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 ...
0
votes
1answer
316 views

Galaxy S5's screen only turns on after multiple presses, and the screen has these weird lines show up when turning off

and thanks for reading this. So I've had an S5 for just over a year now. As it has an AMOLED screen, when you turn the brightness all the way down, the screen will flicker a yellow-green. This ...
2
votes
1answer
127 views

Automatically power-on Android phone at a given time?

Is it possible to automatically power on Android phone at a given time?
4
votes
1answer
829 views

Does Android continue to run after phone is switched off? [duplicate]

I was wondering about this: it seems that when you set an alarm, even if you switch off your smartphone, on reaching that time the alarm manages to ring. Is the Android framework still running and ...
0
votes
2answers
484 views

Location of battery animation file on a Chinese tablet

I'm working with a Chinese tablet. I need to turn on the tablet when it is attached to an external power source. I'm looking for the equivalent file of playlpm that you usually find on Samsung ...
0
votes
0answers
92 views

Automatic power on at preset time

Is there a way or app that allows to program a schedule for automatic power on/off on the phone for android 4.x? I know that in the settings there is a similar option, however it allows to define ...
3
votes
1answer
849 views

Turn screen off without Android sleeping

Is there any way to quickly toggle the screen off without making Android sleep? For example, I sometimes like to use the Calm app when I sleep. But it keeps the screen on all the time. When I just ...
-1
votes
3answers
195 views

My samsung galaxy s4 won't turn on

I left my phone charging over a 24 hour period and now it won't turn on. I tried cleaning it out, taking out the battery, and putting it on the charger. I don't have a spare battery to try. Is there a ...
1
vote
1answer
204 views

Wet phone, charge symbols shows, but won't 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 it's fully 100% charged, but when I press the power button, ...
1
vote
0answers
204 views

Phone switches off while charging

My Samsung Galaxy Note 3 Neo sometimes turns off automatically while charging on original wall charger. And then no physical button works, I have to remove the battery and then have to restart it. ...
0
votes
0answers
106 views

Shutdown Samsung Galaxy Tab 4 with broken power button

I have Samsung Galaxy Tab 4, and the power button doesn't work. How can I shutdown it?
1
vote
0answers
21 views

Issue in moto g 1

i had to put charge in CAB. After connecting USB, display went full blue and mobile went OFF and not powering ON. whenever i put charge, only notification light comes and goes OFF after few minutes. ...
0
votes
1answer
159 views

How do i fix a white screen after replacing digitizer on Nexus 7? [closed]

I replaced the screen and digitizer on my nexus 7. Now when I power up the nexus 7, it is only a white screen that flickers. I checked all wires and they are fine. How do I fix this?
1
vote
0answers
42 views

Anonymous Battery Removal - Side effects

I am working with an embedded system with BeagleBone (White) as physical framework and Android JellyBean 4.1.2. For some reasons I have to drop the entire power in the system (like anonymous battery ...
0
votes
0answers
361 views

moto e not power on after update

While updating from KitKat 4.4.2 to 4.4.4 my moto e switched off. During this process, the battery level was less than 50%. I've tried charging and nothing happened but if I press the power button ...
0
votes
0answers
47 views

GS3 won't allow me to factory reset

Today when I went to grab my phone, it was on the Samsung logo screen and wouldn't load. I tried force powering it down and restarting it. It then got to the Samsung Galaxy S III logo but wouldn't ...
0
votes
0answers
30 views

Xperia Sola continuously turns on and off

My Xperia Sola 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, ...
0
votes
1answer
396 views

Sprint Samsung Galaxy S3 Dropped phone now it won't power on or charge

I have a Sprint Samsung Galaxy S3 (SPH-L710) worked fine until I dropped it. After I picked it up the phone shut off, I tried removing/reinserting the battery, it would go to the Samsung logo, ...
0
votes
0answers
43 views

Nexus 9 Auto power on and launch app when connected to mains

Looking to auto power on Nexus 9 when plugged in and launch an app that is being developed (I have seen possible solutions with Nexus 7). Idea being: 1) Nexus 9 is always plugged in to mains 2) ...
1
vote
0answers
25 views

Using KnockOn with the LG G3 over top of widgets

I've just recently bought an LG G3 (D850) and I've been enjoying the KnockOn feature (where you can double tap to power the screen on/off) but I've noticed that the feature does not work over top of ...
1
vote
1answer
168 views

Nexus 4 does not turn it on and blinking red notification light only

This morning, my Nexus 4 (Android 5.0.1) had some issues about Google apps crashing. I decided to do factory reset, so I went to Settings and apply factory reset, it was showing power turn-off, then ...
2
votes
1answer
2k views

Auto turn on after power on for an Android-based device

If I'm not mistaken, if an Android-based device is turned off (or powers down due to completely exhausted battery) and then is charged up again, it will automatically boot only to battery charging ...
0
votes
0answers
29 views

Is it possible to power off the device using adb? [duplicate]

Is there any way (command/option) to power-off the device using adb command?
0
votes
1answer
55 views

Tablets always turned on (usb-powered). Problems? [duplicate]

I need to install about 20 tablets powered 24/7 (24 hours, all week). Is there any problem or potencial damage about it?
1
vote
0answers
119 views

How do I do the emergency turn off Android device with embedded battery?

Imagine your device is hacked and you want to turn it off now (because of it is using network in bad manner), but the rootkit blocked all functions. How do I forcibly turn off the device? I've tried ...
0
votes
0answers
181 views

Why does my Note 4 reboot when I turn off airplane mode?

It doesn't happen every time, about 75% of the time when I turn airplane mode off it completely reboots the phone. Doesn't seem to matter what apps are or are not running. Galaxy Note 4 that I have ...
0
votes
1answer
120 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 ...
4
votes
1answer
1k views

Automatically power on Nexus 7 when plugged in

Is there any way to power on Nexus 7 2012 automatically when charging started? I want to use Nexus 7 as a car PC, so I need this feature for energy economy. PS - my Nexus 7 is rooted and uses CM 10.1 ...
0
votes
3answers
3k views

Samsung Galaxy S3 will not turn on. Can this be fixed or can I retrieve photos?

My Samsung Galaxy SIII is doing the following: I cannot get the phone to turn on, the side power button does not do anything. When I remove the battery, and put it back in place, the phone vibrates ...
2
votes
2answers
6k views

Alarm is working even when the phone is powered off

I just discovered that if I set the alarm clock and then power off the phone (by holding the power button and then selecting "Power Off") the alarm will still go off when the time comes. Is this ...
1
vote
0answers
603 views

Samsung Galaxy Note 2 doesn't power on after changing Motion Settings

My wife want to use the side to side motion feature on her Samsung Galaxy Note 2 SCH-I605 (Verizon). I allowed the feature, but then her screen dimmed then went off. When I pushed the power button, ...
0
votes
1answer
134 views

Samsung galaxy 3S, battery is good, phone won't charge or power up

I have a samsung galaxy 3S, about a week ago it rebooted itself, since then it will won't charge or turn back on, I have tested the battery to see if it was that, the battery works perfect, I have ...
1
vote
3answers
3k views

Power on S3 Mini without working power button

A friend of mine has got an Samsung S3 Mini. Recently the power button broke (could not turn off screen by pressing the button). Now the mobile got accidentally turned off and wont turn back on, ...
1
vote
0answers
17 views

Power button replacement (Remap) [duplicate]

Somehow I broked up my Samsung Galaxy S (rooted) power button, so I can't power it on. I powered it on using PC ADB command and remapped Home button to be a power button (long pressing it shows "Power ...
1
vote
1answer
8k views

Power button not working on Asus Zenfone 5

I bought an Asus Zenfone a few days ago and it was working well for 2 daysT the system asked to install an update and I agreed and installed it. Now the power button is not working at all. Could it ...
0
votes
0answers
247 views

Fully-charged Nexus 7 won't turn 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
1answer
1k views

Note 3 Won't Power On

Ok so less than 30 minutes ago my Note 3 was working fine! I put it in my pocket and looked at it again and it was off and wouldn't turn on. It had plenty of battery left at the time though I don't ...
0
votes
1answer
409 views

Help to understand working of powerbutton and volume rockers

I want to understand the workings of power button and volume rockers in Android devices, which are associated with the kernel driver of these keys. What happens in the kernel driver and boot loader ...
0
votes
1answer
77 views

I opened my phone and tore the power circuit, can it be joined back?

I wanted to reseat my phone speaker because it wasn't working. In the process of dismantling my phone, I tore the power button's circuit. What kind of adhesive can I usually use to join it back ...
0
votes
1answer
294 views

Do all devices (that can connect to PC) power up when connected to PC?

I tested with my tablet and my phone and both react the same way: shut down the device completely. plug to computer USB. device powers up (boots into android, not just show charging animations). ...