[Q]power button and home button will not unlock phone - Galaxy S II Q&A, Help & Troubleshooting

I have this weird problem for severall days. every now and then the phone will lock and when i try to unlock the screen remains black. it is not a button issue. My sister just told me she has the same problem on a different s2 with 2.3.6 stock no root. i have alliance 4.1.2 so i bellieve it's not the ROM. The phone doesn't closes (it happend once when it was connected through USB) and i can't reset it by long press. Only option is to remove the battery . Pease help! . Thank you.

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[Q] S2 wakes up by itself then freezes when power button is pressed

My Galaxy S2 started behaving strangely all of a sudden:
After a few minutes in standby, it wakes up by itself.
If I press the power button when this happens, it freezes completely. The only thing it will do after that is power off, if I do another long press on the power button.
But if I swipe out the lock screen instead and play around in it, it will respond normally, until I press the power button again, in which case - as you might guess - it will freeze completely.
I have the stock firmware from Orange Romania on it, and it still behaves exactly the same after a hard reset.
The problem occurs with different SIM cards inserted in it, as well as with no SIM inserted.
Any ideas on how to fix this, or on how to identify the culprit here?
------------------------------
Android 2.3.3
Baseband version I9100BVKH1
Build Number Gingerbread.BVKH1
A possible solution is to flash an insecure kernel (e.g. cfroot) via odin and flash a custom rom. but this will void your warranty.
Or you could flash a stock rom thru odin
Backup data and factory reset would be my first step .
jje
The problem was still there after doing a factory reset, with no apps installed. But I've flashed Cyanogenmod 7.1 since then, and it seems like everything is fine now.
I would still be interested to find out if there's a way to identify the cause of this problem, or if there's a workaround for it, though.

[Q] Loss of power button options -- HELP!

Hey guys...
I was messing around with my EFS folder for getting the Tablet unlocked... i was deleting and editing stuff.. eventually succeeded in getting the tab unlocked without messing up my IMEI..
Now the problem is .. i do not the get menu/options when we long press the power button .. ... example .. POWER OFF or REBOOT or AIRPLANE MODE...
SO HOW DO I GET MY POWER BUTTON OPTIONS BACK ?
pressing the power button just turns off the screen... and when i want turn the screen back on .. i just press the power button .. screen turns back on again without giving me the slide screen to unlock screen...
i also thought re-installing the ROM help.. tried it ..didnt work .. same thing.. also changed the ROM .. that didnt work either..
so guys please help me get the power button options back !... SOS ---...---
What firmware are you using now ?
Marketroid said:
What firmware are you using now ?
Click to expand...
Click to collapse
XXLQ8 by Toldo [ROM][CWM] Stock ICS roms, rooted, deodexed, zipaligned [P75xx/R/D/M][T859]
It is very strange. I've been using this good rom for a couple of weeks and had no such problems with it... So try to downgrade the tab by flashing samsung stock rom based on Android 3.2 via Odin with pit file and repartition. Odin will erase all partitions, flash all components in its original state.
p.s. Do it very carefully with at least 50% charge. Flashing with pit file is dangerous as it can brick your tab if something went wrong unfotunately
any solution?
dushrox said:
Hey guys...
I was messing around with my EFS folder for getting the Tablet unlocked... i was deleting and editing stuff.. eventually succeeded in getting the tab unlocked without messing up my IMEI..
Now the problem is .. i do not the get menu/options when we long press the power button .. ... example .. POWER OFF or REBOOT or AIRPLANE MODE...
SO HOW DO I GET MY POWER BUTTON OPTIONS BACK ?
pressing the power button just turns off the screen... and when i want turn the screen back on .. i just press the power button .. screen turns back on again without giving me the slide screen to unlock screen...
i also thought re-installing the ROM help.. tried it ..didnt work .. same thing.. also changed the ROM .. that didnt work either..
so guys please help me get the power button options back !... SOS ---...---
Click to expand...
Click to collapse
Any fix for this yet?
same here
OK so I was trying to get my tmo sim out of my phone to work in my tablet well it worked 4g was faster than my 60g wifi but anywayz I restored my efs Nov.data file use efs pro and that fixed it for a while flashed stock ics and poof gone
My symptoms were no power button options, power button press would only turn off device, factory mode calculator app on home screen, and no lock screen. Did soft factory reset with one of the these two codes (can't remember which one worked, other one did nothing) *#7780# or *#*#7780#*#* Entered it into the factory mode calculator app.
According to the link below soft factory reset was supposed to be temporary. But I have restarted device many times and everything is back to normal.
Also, my symptoms were most likely caused by trying to delete the contents of my efs folder so that I could unlock device. This failed as contents still managed to return on their own. OR mini sim card adaptor getting stuck in sim card slot.
http://forum.xda-developers.com/showthread.php?t=1870561

[Q] freezing & restrating

hey guys , i have a problem with my i9300 when
i lock screen screen turns off and device locks but when i press power button somtimes the screen won't turn on!
and the home button doesn't work too!
if i leave the device it will reboot automaticly but it won't boot & just shows samsung boot animation!(it will soft reboot)
i should hold the power button till the device restarts and it will boot currectly but after three or four seconds the device jams again!!!!!
i should do this work for two or tree times to make the device is workable
but it will jam after a time!and i should do this prosess again!
do you have any suggestion that may solve my problem?
(kernel:arter-97 4.0.3 android 4.3 Official UAE recovery:TWRP)
(sorry if i had grammeral mistakes !my mothertongue is not english!)
Go back to totally stock firmware after a full wipe. If still the same then probably your nand memory is worn out.

Power button

Ok, i've searched all over the internet for the same problem and i couldnĀ“t find anyone who've experienced this.
Where's what happened, my power button started to mal-function after my phone restarted. Now i cant lock or unlock the screen with it. The funny thing is that if I press it long enough it shows that [Shutdown/restart] menu. And if i keep pressing it it will soft reset the phone as usual.
I've already tried an app to se wich keys are being pressed to rule out the stuck key problem. The phone no longer recognizes the quick press of the key to lock/unlock, it only recognizes the long press of the power button.
Also today it refused to identify the charger and didn't charge at all, dunno if it as something to do with it.
My phone is the Wiko Wax, rooted, custom rom( Tesla 0.4.9a) android 4.4.4, with custom kernel as well.
I have already re-flashed everything, formated my phone and everything, but it doesn't seem to get fixed.
This started to happen after the phone restarted it self, without me doing anything to it

I9300, Slimkat 4.4.4 - Screen went kaput during call

Hello,
I run Slimkat 4.4.4 on my Galaxy S3 i9300. I keep the screen timeout low, so the screen goes dark when I'm in a phone call. During a call today, the screen wouldn't come back on even with the home or power buttons, so I did a reboot via the power button. The phone rebooted but with just static on the screen. I wasn't able to enter recovery. I need help!!
1. Is it possible to recover the phone from its current state? (I don't know if this is a HW issue or just a reflash would do.)
2. Before reflash, is it possible to save any data?
Thanks in advance.
frood
See if you can get to recovery or download mode.
I wish I stole my HTC M9.
froodman said:
Hello,
I run Slimkat 4.4.4 on my Galaxy S3 i9300. I keep the screen timeout low, so the screen goes dark when I'm in a phone call. During a call today, the screen wouldn't come back on even with the home or power buttons, so I did a reboot via the power button. The phone rebooted but with just static on the screen. I wasn't able to enter recovery. I need help!!
1. Is it possible to recover the phone from its current state? (I don't know if this is a HW issue or just a reflash would do.)
2. Before reflash, is it possible to save any data?
Thanks in advance.
frood
Click to expand...
Click to collapse
Do you See the i9300 logo when turning in your phone? Or this screen appears from the first Moment of turning on the phone?

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