My galaxy s2 will not turn on all thw way on...it will turn on then turn off....and i dont understand because the battery is f

[linda4565]

The galxy wont turn on all the way

 

[kingjc100]

Hold the power button and the volume down button while turning it on and hold that until the secure boot screen comes up. And Select what should be the top option I believe

 

[njagga]

The galxy wont turn on all the way

What exactly is happening?
Is the phone starting and showing the samsung logo, and then restarting?
If yes, your phone is stuck in a bootloop.

Try and use this program to fix http/forum.xda-developers.com/showthread.php?p=15330252