My phone has been acting weird lately and i want to redo it tonight. Somehow my safestrap file got deleted (trying to move items around in my internal sd and it disappeared). I want to fastboot my phone from 4.1.1 CM10 to .217, and start fresh. Can i just fast boot from the 4.1.1 CM10 rom, or do i need to go back to my non safe mode and fastboot from there? I haven't tried switch back because i'm afraid it will brick since i no longer have the non-safe mode file. Also, is my being on the 4.1.1 android version going to prevent me from using going back to .217 ics?