Stuck in bootloop
I am trying to flash the factory RUU so I can get the 4.3 update. The RUU kept failing, I was getting an error. Something to the effect of FAILED 12 signature verify fail. Well in an effort to figure this out I tried different roms and locking and unlocking my bootloader. Now the problem is I am stuck in a bootloop. I can boot into TWRP, but when I try to sideload a rom it says failed. If I try to factory reset it fails. I don't know how to get out of the problem I'm having.
EDIT: I am out of the bootloop, but I am still unable to run the Ruu. Feel free to delete this post and I will create a new one.