Setting - personal - Factory Reset. Then try it again. It don't erase your photo data on internal memory unless you checked 'erase.' added: oh my.. 10 sec only available. RSDlite and flashing appropriate firmware of your phone. The RSDlite don't touch the internal memory of the phone. You would better find the method at the xda-developer on web. I probably assume that there will be a software problem about rebooting. If it has the power problem on H/W, this method doesn't help you.