Phone keeps on rebooting! - T-Mobile Samsung Galaxy S II SGH-T989

Help! My phone keeps rebooting and I don't know why. It actually doesn't go to lock screen or anything.
When I put the battery in, it auto turns on, goes the most farthest to the Samsung glow screen, fails (to get to the lock screen), goes to a black screen, and then keeps vibrating each second, before trying to turn itself on again.
I am trying to get it into Download Mode, but the "auto-turn on" stops me from getting there.
Help please. :crying:

Jared20098 said:
Help! My phone keeps rebooting and I don't know why. It actually doesn't go to lock screen or anything.
When I put the battery in, it auto turns on, goes the most farthest to the Samsung glow screen, fails (to get to the lock screen), goes to a black screen, and then keeps vibrating each second, before trying to turn itself on again.
I am trying to get it into Download Mode, but the "auto-turn on" stops me from getting there.
Help please. :crying:
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Click to collapse
sounds like you might have a power button issue- search power button in q&a to confirm- might even find a fix

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With the phone off, hold volume down, press and release power. This should pull up the bootloader screen. You should have the option to do a factory reset from here. Try it.

[Q] Power button doesn't really work, phone keeps turning itself off and rebooting?!

So my phone keeps turning itself off and back on no matter what mode it's in... recovery... download mode... most of the time it can't even make it through the boot logo without restarting itself... I have no idea what's going on. Anybody have ideas?
Haven't really damaged the phone, no water or anything so I'm not sure what could be wrong with it.
Also, the power button hardly ever works. sometimes i press it and it responds, sometimes it just spazzes out like im pressing it when I'm not even pressing it.. and sometimes my phone just keeps acting like im spamming the menu button...

stuck in blank screen vibrating bootloop, stock, t989d

Hi i have a telus T989D, stock unrooted. I was trying to open a picture in my gallery and my phone restarted, then it showed the samsung loading screen and at about 75% it restarted again. Then it just vibrated, paused, vibrated, paused, etc. and its a blank screen. I tried holding volume down + power and it takes me into download mode warning screen, but it shuts itself off before i can do anything and continues this blank screen vibrating loop. ive tried pulling the battery, but the second i put it back in it loads the samsung screen, restarts and continues the loop. if i cant even get it to stay in download mode is it even possible to fix this?
sounds to me like you have a sticky power button (very common) on these phones/samsung !!! so if wiggling a took pick in there and un jamming it a bit then you need to send it in try leaving your battery out for like 10 min take out sim cards memory everything leave it sitting ..... then try again
There are some fixes for the sticky power button here:
http://forum.xda-developers.com/showthread.php?t=1931310
Read the whole thread and then try some of the easier fixes first.
try getting into recovery mode and wipe data/factory reset
you guys were right about the power button. opened it up and pried a bit then it worked again

[Q] captivate glide keeps turning on by itself

my phone was working fine until this morning it kept restarting over and over by itself. Normally it goes back to normal when I take out the battery and put it back in and restart the phone but when I would do that it would start to boot up as soon as I put the battery back in before I even pressed the power button. when I left it alone for a while it would stay on but the screen would turn itself on and if it was on to long the phone would turn itself off. when i managed to switch the screen to turn off after 10 sec the phone would stay on but still turn the screen off and on. Then I plugged it into my laptop and scaned my phone and found nothing. After that my phone was working fine and didn't shut itself off. I am able to use it like normal but the screen still continues to turn off and on by itself every couple of seconds. Can someone please tell me if there is a way to fix this?!!!
bacav1081 said:
my phone was working fine until this morning it kept restarting over and over by itself. Normally it goes back to normal when I take out the battery and put it back in and restart the phone but when I would do that it would start to boot up as soon as I put the battery back in before I even pressed the power button. when I left it alone for a while it would stay on but the screen would turn itself on and if it was on to long the phone would turn itself off. when i managed to switch the screen to turn off after 10 sec the phone would stay on but still turn the screen off and on. Then I plugged it into my laptop and scaned my phone and found nothing. After that my phone was working fine and didn't shut itself off. I am able to use it like normal but the screen still continues to turn off and on by itself every couple of seconds. Can someone please tell me if there is a way to fix this?!!!
Click to expand...
Click to collapse
Does It reboot constantly while your in download mode too?(vol+ and power)
stormdude124 said:
Does It reboot constantly while your in download mode too?(vol+ and power)
Click to expand...
Click to collapse
yes

Lg G3 screen stuck on boot screen

Very strange problem. I have a LG G3 D855 for 1 and a half years now(rooted)
My phone was at a very low percentage, and I heared it go out. Happens to everybody, nothing strange so far.
I connected it to the charger and I turned it on, i heared the startup noise, but nothing happened. No pincode screen or unlock screen. Stuck at LG life is good screen. I actually was able to take a screenshot, i heared that sound when pressing power and volume down key. I know it is just right away from the main screen, but why is my screen freezing at startup logo? Tried to hard reset and clear all data, then I get a secure confirmation (verify) error. then my led starts to flash red and blue. Battery taking out and still no success.
How to fix this? Also screen is recognizing touch at the startup screen (when it fades away i click on it and it turns brighter)
EDIT: I blindly went into whatsapp and i am able to type and answer calls blindly wtf. Now I got a blue screen, everything is operational, the screen is blue now
Phone is functional, the screen is stuck on boot (life is good screen or blue screen)
How to fix?
Lol, the day after I hit my phone on the screen and restarted it and it worked again! I really dont know how it works again, but lmao! Also my secure boot sector is not working, that problem has nothing too do with this fixed one.

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