ma da quale rom provieni? hai già messo il nuovo cf root?
se hai questi requesiti puoi flashare .. altrimenti devi fare queste operazioni , solo che ora non ho fatto in tempo a tradurlo
GUIDE
1- DOWNLOAD MODE Install from Odin and put in PDA the CF ROOT download (wait before removing the terminal has finished with the red robot)
2- DOWNLOAD MODE Install from Odin and put in PDA the new recovery download
3- Install from recovery the custom recovery download
4- Install rom from recovery, put in the internal or external sdcard, before doing "Clean to install a new rom" and from aroma a full wipe