Originally Posted by Nimerod
No one can't help me?
If you have a xt910, find the correct firmware for your region and flash with RSD.
If you have a xt912, use matlgroff's utility
Either way will put you back to bonestock, unrooted, 4.1.2.
It will also wipe everything you have on the device except ext. storage and internal storage. I would still save to a computer to be safe if I were you