Tmobile SG S2 Software problem or power button - T-Mobile Samsung Galaxy S II SGH-T989

MY galaxy s2 has problems with powering off every now and then. it was really bad at one point where all it was doing is turning on and rebooting right after. i had a custom rom for months and never had problems until yesterday. i couldnt go on recovery mode because it would always restart every five seconds. Now it seems to less frequent because i realized that it always reboots when i touch the power button once. Sometimes when i push the power button to take it off sleep mode, the power options pops up (recovery, restart, power off etc) so thats when i thought the power button might be the problem
Any guesses on what could be the problem?? If its software problems or power button issue.
P.S. reset my phone, re rooted it, and put a new rom darkside. It literally stays on until i push the power button. then it restarts five seconds later.

the power buttons seems to stick....I have the same problem, the phone is acting as if the power button is being pressed without being let go. When the power button is held indefinitely it just keeps rebooting over and over again. It occurs sporadically, but once it sticks..it sticks. I seem to be able to unstick it by slapping it against my hand but eventually it turns off. Its definitely a hardware issue and I will open up the phone right now to investigate. Ill write if I find anything useful.
albert-557 said:
MY galaxy s2 has problems with powering off every now and then. it was really bad at one point where all it was doing is turning on and rebooting right after. i had a custom rom for months and never had problems until yesterday. i couldnt go on recovery mode because it would always restart every five seconds. Now it seems to less frequent because i realized that it always reboots when i touch the power button once. Sometimes when i push the power button to take it off sleep mode, the power options pops up (recovery, restart, power off etc) so thats when i thought the power button might be the problem
Any guesses on what could be the problem?? If its software problems or power button issue.
P.S. reset my phone, re rooted it, and put a new rom darkside. It literally stays on until i push the power button. then it restarts five seconds later.
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Related

RR or phone damaged?

So i know people are saying these new roms can cause RR. Ive tried multiple roms, and these "rr"s are way to frequent to be called Random Reboots. I mean they happen back to back, within seconds/minutes. They also only happen when i press my power button, which is starting to make me think that my power button is getting stuck or jammed which is causing it to reboot so many time and almost all the time. Like i can press the power button to unlock or lock the phone and bam it reboots my phone. I hold the power button down to start it back up and it does a RR once again. Is it my phone just being messed up or is this really random reboots? Thanks in advance.
ixJay said:
So i know people are saying these new roms can cause RR. Ive tried multiple roms, and these "rr"s are way to frequent to be called Random Reboots. I mean they happen back to back, within seconds/minutes. They also only happen when i press my power button, which is starting to make me think that my power button is getting stuck or jammed which is causing it to reboot so many time and almost all the time. Like i can press the power button to unlock or lock the phone and bam it reboots my phone. I hold the power button down to start it back up and it does a RR once again. Is it my phone just being messed up or is this really random reboots? Thanks in advance.
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RR the vast majority of the time, happen on JB ROMS. But,the way you describe them is not how they happen. Happening back to back sounds more like a faulty power button. Try seeing if it has dirt. If not, time for a warranty exchange, issuance claim. or a power button repair. Mobiletech offers that service.
Its weird cause my phone will be good for a whole week straight, and bam for a couple days straight **** is just acting up. Like these past few days, the reboots is unrealistic. I barely get to use the phone i feel like. It turns off and vibrates until i hold the power button to turn it back on, and sometime when it says samsung and then goes to the next boot animation, it will do a whole spazzim and just vibrate again until i hold the power button again. I dont understand.
ixJay said:
Its weird cause my phone will be good for a whole week straight, and bam for a couple days straight **** is just acting up. Like these past few days, the reboots is unrealistic. I barely get to use the phone i feel like. It turns off and vibrates until i hold the power button to turn it back on, and sometime when it says samsung and then goes to the next boot animation, it will do a whole spazzim and just vibrate again until i hold the power button again. I dont understand.
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Willing to bet the farm its a faulty power button. Ive read to many posts like this. Makes me worry about my phone!
ixJay said:
So i know people are saying these new roms can cause RR. Ive tried multiple roms, and these "rr"s are way to frequent to be called Random Reboots. I mean they happen back to back, within seconds/minutes. They also only happen when i press my power button, which is starting to make me think that my power button is getting stuck or jammed which is causing it to reboot so many time and almost all the time. Like i can press the power button to unlock or lock the phone and bam it reboots my phone. I hold the power button down to start it back up and it does a RR once again. Is it my phone just being messed up or is this really random reboots? Thanks in advance.
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Your problem sounds like a hardware problem.

Hitting the power button on my phone makes it go crazy

Has anyone else experienced this? If I hit the power button on my phone, the screen goes crazy and it eventually goes off. It starts to turn back on but then during the boot animation it just cuts off again. If i boot into recovery, it cuts out there too. I was trying to wipe my phone but it wont stay on long enough. I'm running the new cm 10 stable.
Saw this in another thread and they came up with a faulty power button. Either it's getting stuck or the actual connection is effed. Does it stick a little when pressed as in is it not fully popping back up? Because if it's happening in recovery too than that seems to be the case I would think. Have you had your device for a while now or is it newer?
Yep, sounds like a sticking button. The phone is hard wired to reboot when the power button is held for a number of seconds, no matter what is going on (it's equal to a battery pull), so if the button is stuck, you're in a loop.
Sent from my beastly Galaxy S 2.

Brick maybe?

Hello there, I was installing Recovery using this, http://forum.xda-developers.com/showthread.php?t=1746682, I only went up to the first part of unrooting the phone where it asks me to connect my and install te recovery, my phone after the root did not want to turn on. I tried using the Volume +/- along with the home key, nothing, it just vibrates and nothing. I tried pulling out the battery and the same thing happened, no matter what I did, it vibrates and won't turn on. Also when I hook it up to the charger and try turning on it vibrates and it keeps vibrating in loops, around 2-3 sec apart. What is wrong with my phone? Please don't tell me it's a brick, I just got it yesterday ;p
infernel250 said:
Hello there, I was installing Recovery using this, http://forum.xda-developers.com/showthread.php?t=1746682, I only went up to the first part of unrooting the phone where it asks me to connect my and install te recovery, my phone after the root did not want to turn on. I tried using the Volume +/- along with the home key, nothing, it just vibrates and nothing. I tried pulling out the battery and the same thing happened, no matter what I did, it vibrates and won't turn on. Also when I hook it up to the charger and try turning on it vibrates and it keeps vibrating in loops, around 2-3 sec apart. What is wrong with my phone? Please don't tell me it's a brick, I just got it yesterday ;p
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I think this kit is honestly the easiest way to brick your phone. There are simply too many options, most of them have no real use for this phone, and the free version never gets updated. Honestly think it's a bad move for people who are new to the game.
To get in download mode:
Start with the phone off.
Press and hold the home button and volume down button.
Press the power button until the phone vibrates.
Release the power button.
To get in recovery mode.
Start with the phone off.
Press and hold the home button and volume up button.
Press the power button until the phone vibrates.
Release the power button.
Release the volume up and home button when the blue text appears in the top left corner of the screen.
If these won't work, you are bricked. Time for JTAG.
I agree 100%. That kit seemed pretty helpful for some when this was still pretty new, but recently it seems there are more reports of failures (or worse) than successes. When you get this fixed I suggest reading all the stickies and then take it from there.
Good luck
Sent from my SGH-T999L using XDA Premium 4 mobile app

S4 powered off after 3ish seconds of being powered on

So the device was rooted at one point and then I odinned back to stock and I believe that the device is on 4.4.4 kitkat. It started doing a weird thing where it doesn't turn on correctly, no matter what i do (recovery, normal power on, or download mode) the device turn off after 3ish seconds. The power button seems kind of flakey as the one time I got it to power on the device didn't respond to every press of the power button and always took the press of the power button as a long press and opened the power off menu and or rebooted the device into not working again. Help would be so great and thank you.
Maybe power button is shorting, or another hard-button is shorting, causing boot to fail. You may wish to get replacement parts.
You said you used odin, so there are other possibilities. You could have broken the firmware/radio, partitions, or other things.
I should say that I have had similar problems with my S4 too. Firmware on this device behaves poorly.

G3 VS985 difficult to turn on, recovery mode buttons don't work

My VS985 has 2 problems, which may be related to each other. The first is that, when the phone is fully turned off, turning it back on again is difficult. When I press the power button, the phone just vibrates at me and then refuses to turn on. Screen doesn't light up or anything. Pressing the power button again does nothing at that point. What I have to do, sometimes up to 7-8 times before it turns on, is remove the battery, wait a few seconds, put it back in, then press the power button again. It'll vibrate every time, and eventually one of those times it will turn on and boot up.
The second issue is that I've found it impossible to get into recovery mode using the buttons. I can get in just fine using the quick boot app, but that's not much use if I ever end up in a state where I can't boot into the OS. Apparently it's supposed to work by turning the phone off, then pressing and holding the power + volume down buttons and waiting for the LG logo to show up. I've tried this many times, it never works, possibly because of the first problem.
I bought this phone used, immediately used ODIN to downgrade it to the original stock OS, then towel rooted it and installed CM (LOS 14.1 now), so I've no idea if this phone has always had this problem or if I caused it. It's not a big deal since I always keep my phone on but makes trying new ROMs scary. Has anyone heard of this before, or have any idea how to fix it?

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