[Q] Samsung Galaxy S II Won't stay Off! - Galaxy S II General

Hi,
Does anyone know any this is happening please.
When I try to turn off my phone by holding the power button then selecting Power Off. The phone shuts down then after few seconds it powers back up.
Thanks

Is it plugged into a computer or power outlet? That would cause it to look like it's turning back on, or maybe actually turn back on.

I have that problem from time to time. You need to open up your backplate, pull the battery out for a few seconds then place it back in. Should be fixed temporarily at least.

Related

Xda turns on when you plug it in

Hey there
I might just be being stupid but is the XDA Exec meant to turn on when you plug it into the USB or charger? It was off and then I pluegged it in and it came on all by itself, started up Windows etc. Is this normal?
Apologies if I sound stupid
Thanks,
Dave
how off was it? by pressing the on off button off, or by removing/inserting battery off? mine will turn on fully, if it is off by the button, then plugged in, then screen opened
It was battery off... well, the battery had run down and the screen turned off. It also did it when I first got the Exec... when i plugged it in to charge the first time it turned on itself, and i think that's why my battery isn't great now.
I heard/found that pressing the on/off button doesn't really turn it off. When i press it it sorta turns the screen off, then i press it again and the screen comes on, and i press it again and it seems to turn off. What's this about? lol
Dave

Hero powering on when plugged into outlet to charge

So yeah... like the title says, I'm having trouble charging. Basically I plug the phone in (powered off), and it will turn back on. I turn it off with it still plugged in, and it powers back up. Also, if I turn the phone upside down (screen facing down), the orange/red charging light goes off, but turns back on when it's right-side up again. I'm VERY confused with this... Would this constitute an exchange at the Sprint store?
its haunted. Boo~~~!!!!!!
my hero does the same thing and i dont think there is anything wrong with it
mrinehart93 said:
So yeah... like the title says, I'm having trouble charging. Basically I plug the phone in (powered off), and it will turn back on. I turn it off with it still plugged in, and it powers back up. Also, if I turn the phone upside down (screen facing down), the orange/red charging light goes off, but turns back on when it's right-side up again. I'm VERY confused with this... Would this constitute an exchange at the Sprint store?
Click to expand...
Click to collapse
Are you sure you are powering off, or are you putting your phone to sleep? There's a difference.
On mine, if I physically power off the phone (hold the red button down for about a couple of seconds and select Power Off), then the phone will not turn on when I plug in a charger (or sync cable).
However, if I simply push the red button without holding it for two seconds, the screen simply turns off (I put the phone to sleep). When I plug in my charger (or sync cable), the screen will turn on (the phone wakes up).
Just in case you really are powering it off. There is a built in awake interrupt set to monitor power connect. To manually activate it connect , disconnect, connect, ( fast ) the power cord to the phone. It should boot. So if it's doing it then your power application to the charger, is noisy. Get a zero crossing switched power strip and use it's switch to power on the charger.
Mine has always booted back after I plug it in if the battery dies or I power off intentionally for some unknown reason. I didn't realize people intentionally turn their phones off any more.

phone keeps turning off

V this is what i figured out V
okay so i realized its caused by the screen being turned off for more than a few seconds, whether it be from locking the phone, or the screen timing out. it causes the phone to power off (im not sure if it powers off or not, but the screen never comes back on once this happens) i try to unlock the phone, or hold down the power button, press the screen and all the hard buttons, nothing responds, i have to remove the battery from the back and put it back in to turn it back on...
Take out the battery for a day and leave it out then put it back in. See if that helps.

[Q] Just used the IceCreamSandwich Rom 2/9 and am not stuck -_-

Just rooted it and everything was going great but, i just turned it off and then went to turn it on and it just shows the green light, then nothing. Wont turn on and the light just goes off.
Can anyone help?
hold the power button for 20 seconds, then turn back on.
this will happen if you put your device to sleep and wake it up to soon (i wait for the green light to turn off
tctim said:
hold the power button for 20 seconds, then turn back on.
this will happen if you put your device to sleep and wake it up to soon (i wait for the green light to turn off
Click to expand...
Click to collapse
I don't think that's the cause. There have been reports of the sleep of death after all sorts of time frames. I've never encountered it, so I can say for sure, but check the bug tracker on CM9.
Well that exact same thing happened to me and it worked fine after I did that.
Power
Try plugging it to a power source and plugging it out
that may jog its sleep
Hold down the power button until it is completly shut off. Then turn it back on like normal. I have had a screen of death after using CM9 for 1 minute and as long as 3 hours later before. It's not nearly as stable as the CM7 ROM.

N7 Won't turn on or charge

So the other morning I wake up. I grab my tablet off the charger, click the lock button, and notice it was off. I figured it must have crashed overnight. I hold down the power button, and it doesn't turn on. I try again this time holding it down longer. It then turns on, but as soon as the lock screen shows up, the screen freezes and I can not do anything. I hold the power button down for an extended period of time, but it turns off and wont reboot no matter what. It wont charge (I assume), it isn't recognizable by my PC, and it won't turn on. I have no clue what happened. This happened randomly. I doubt it matters, but I'm running a CM11 based ROM (I think? Haven't changed it in a while, can't remember) and I have no clue what Kernel. I also noticed that the power button doesn't click as "nicely" (can't think of another word) as the vol. up and vol. down buttons. Could the power button be stuck? Any help or will I have to return it to my warrantor and start over? Thanks in advance.

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