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

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10 views

My device has no power button so can only be turned off at the mains. Will this cause damage?

It is a rooted Android TV box. If I turn it off using an app, it effectively becomes a restart becomes it comes back on immediately if power is attached. I am worried I am going to damage the device ...
0
votes
1answer
44 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
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0answers
24 views

qmobile i12 is dead built in battery whatt to do

i bought Qmobilei12 on 12 October 2014.after using i just put my mobile on the shelf after a hour when i picked it than it was totally dead i put it on charging but the phone is still dead don't know ...
0
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0answers
27 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
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1answer
19 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
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0answers
25 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
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0answers
39 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 ...
1
vote
1answer
56 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
1answer
458 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 ...
0
votes
1answer
834 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
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0answers
246 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
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0answers
86 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 ...
0
votes
2answers
710 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, ...
0
votes
1answer
2k 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
193 views

Automatically power on Galaxy Tab when the charger is connected

I have a Galaxy Tab 4 I changed the lpm file. Now the tab boots on charge, but in recovery mode!! Any ideas? Automatically power on Android when the charger is connected
0
votes
1answer
712 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
191 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
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0answers
155 views

I upgraded my TCL Idol X (S950) to Android 4.2.2 bu now power button doesn't turn on?

I upgraded my TCL Idol X (S950) to Android 4.2.2 bu now the power button doesn't turn on?? I have to hold down the power button for more than 10 secs and reboot in order to turn on the phone after it ...
0
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0answers
107 views

How can I make an Android device go from off to on at a chosen point?

I have a rooted Pantech Element and I want to make it turn on when it is charging (or at some other predetermined event, possibly). I have seen advice that says to edit a file called 'playlpm', but ...
0
votes
1answer
49 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
182 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). ...
14
votes
2answers
4k views

How to prevent someone from powering off an android device?

I have a Nexus 5. Even if I enable security passcode or pattern, someone can still switch off my mobile using the power button. How can I prevent it?
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0answers
146 views

Android poweroff timer

Asking for your help cause I cannot find any way to do what I need: I need to turn off my Android 4.0 device by timer. For example I'm launching an app, setting power off time to 5 min, and after 5 ...
0
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0answers
705 views

why does my tecno f7 goes off on its own ,and when i power it on it goes off again in few munites on its own?

just 2days ago my tecno f7 started acting up...it goes off on its own and when i try to power it own it does not come on again until several tries...i will have to keep trying my constantly pressing ...
1
vote
0answers
42 views

Phone turns off at random

I have a note 1 N7000, and each time the screen began flickering and after that it shut down. This got worse after flashing a cyanogenmod rom. By plugging in the charger the battery seemed empty, but ...
0
votes
1answer
23 views

Google Tablet help need power

Just purchased this for Christmas, it will not charge or turn on, any suggestions. Have tired several different charger
2
votes
2answers
2k views

Why does “Power off” actually reboot?

If I hold my power button, I presented with the option to "Power off" my device. I touch it, and my phone (a LG Nexus 5 running on Android 4.4 KitKat) indeed turns off. However, it suddenly turns back ...
0
votes
1answer
8k views

My iRola DX752 will not turn on

My son got an iRola DX752 with Android 4.2 jellybean for Christmas. It worked fine Christmas and now it won't turn on. It is fully charged. What can I do to get it to work?
0
votes
1answer
58 views

I flashed 4.4 and now my Galaxy Nexus power button will not respond

My Samsung Galaxy Nexus's power button is no longer responding. I flashed a ROM of 4.4 to it and now it no longer does anything. I made the mistake of taking the battery out and can no longer turn it ...
2
votes
3answers
1k views

Android 4.3 autoscreen turn on

This issue I noticed,once i updated my android to 4.3. The issue is after every 1 min the lock screen automatically turns on. There was no problem before. Please help,i dont want to degrade to 4.1 ...
0
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0answers
160 views

Galaxy nexus is not turning on after being turned off

I have a Galaxy Nexus. I switched it off. But now I cannot turn it on. It's not even showing the bootscreen. I faced the same issue yesterday night too. But it went away after putting my friend's ...
0
votes
0answers
558 views

Nexus 7 won't do anything!

My Son had a problem with his Nexus 7, it wouldn't turn off or turn on. It just hung with the Nexus cross on the screen. I followed information regarding the re-seting by holding down the power ...
0
votes
1answer
287 views

Nexus 7 refuses to boot unless plugged into outlet

I've looked around the internet for this problem ad/or solution for hours and have found absolutely nothing on this problem. My tablet is brand new, straight from the box. When i have it plugged in ...
0
votes
1answer
389 views

Turn On a Nexus One without default Power Button

My Google Nexus One has a broken power button. I'm using CyanogenMod-7.2.0-passion on it. I would like to configure trackball to Turn On my device (after battery died or after changing the SIM or ...
1
vote
1answer
455 views

Galaxy S2 not switching on after being dropped

My Galaxy S2 dropped today and will not switch on. I dropped it on a very soft surface when this occurred. It usually happens and I just press the on button continuously and this usually does the ...
1
vote
0answers
162 views

Samsung galaxy Y does not factory reset

Lately my samsung galaxy Y has been switching off at random times, and does not switch on again. Well it switches on, and the samsung logo appears, but then it just switches off again. I have tried ...
1
vote
1answer
989 views

Power problems with Droid Incredible 2

My daughter's Droid Incredible 2 is mostly dead. Symptoms: If we can manage to turn it on, it only stays on for a minute or so after it completes all of its start-up tasks. Then turns off and acts ...
2
votes
2answers
7k views

What is an alternate way to Switch Off mobile without use of Power Button?

Device : MMX A89 OS : ICS 4.0.4 What is an alternate way to Switch Off mobile without use of Power Button? Can we Switch Off from OS itself? Is there any setting available? Or Does it require to ...
1
vote
1answer
207 views

Tab 2 10.1 keeps turning on

I bought a Galaxy Tab 2 10.1 last year and it's been working great. Then I noticed the other day when I tried to turn off the tablet (by holding down the power butter), it just recycles and comes ...
0
votes
0answers
180 views

Recharge interface infinite boot loop

I'm having this problem for a while and don't remember exactly how it occurred, if I remember well, it started happening after flashing a non-stock ROM with CWM, but can't really reproduce it. ...
2
votes
1answer
4k views

power button defect: how do I turn my device on

Recently my power button stopped working, meaning that it does not accept any input. With Cyanogenmod, it was easy to add easily accessible buttons in the notification area to turn the screen off. ...
1
vote
1answer
149 views

Power off randomly after screen lock…

I have a very interesting problem. This is a chinese based phone Alps i4000 (fhd, inew i4000) with Jelly bean 4.2.1 os. The problem: - After i click the power button to screen lock, the phone ...
0
votes
0answers
1k views

My tablet won't turn on

My tablet won't turn on and Android won't start up on it. As usual I charged it last night, and it charged to 100%. But now it is not turning on I have tried a lot of times to turn it on by pushing ...
3
votes
1answer
6k views

How to access Samsung Galaxy S2 storage while phone is off

My Galaxy S2 recently froze while browsing facebook using Firefox (the loading animation kept playing though), then shut down after a minute. I haven't been able to turn it back on since then. I tried ...
0
votes
2answers
3k views

Samsung GT B5330 won't turn on

My Samsung GT B5330 doesn't want to power on. I charge it and when I try to turn it on it just vibrates (short vibration) and doesn't start. I let it charge for 2 hours and then it still did not ...
0
votes
0answers
112 views

Sound on Power-On

I want a sound to be played when the user presses the power button, Since I am customizing Android for Visually Challenged people this feature might let them know if the tablet has actually powered on ...
2
votes
1answer
102 views

How should I correctly turn on my phone?

This is regularly driving me nuts. Every once in a while, my phone freezes for whatever reason. I press and hold the power button to shut if off. Now comes the part that's giving me trouble. If I ...
1
vote
1answer
580 views

How does pressing the power button on Android compares to Windows 7s Sleep and Hibernation modes?

In Windows 7 it's pretty straightforward: Sleep: turn of everything except RAM. Data is still stored in RAM. Hibernation: writes RAM data onto the hard disk drive. Not useful for SSD drives, the ...
4
votes
3answers
216 views

When did my phone power off due to low battery? Is the information recorded somewhere?

I'd like to know when my Android phone powered down due to low battery. Is there a log or way to see this? I am running a new program that makes use of BlueTooth and I suspect that's the problem. I ...
1
vote
0answers
476 views

Galaxy S2 turns off randomly

I got a problem with my Samsung Galaxy S2 I9100. I have it for round about 8 monthts now and experimented with some custom roms. I installed cynogenmod 9, 10, 10.1 tested Syah Kernel and installed ...