HEY MAN I AM HERE TO CONFIRM THAT YOU CAN FIX YOUR HTC THUNDERBOLT.
FOLLOW THESE INSTRUCTIONS BELOW AND I GURANTEE YOU THAT YOU WILL BE UP AND RUNNING AGAIN.
***I AM NOT RESPONSIBLE IF YOU MESS UP YOUR DEVICE FROM FAILURE TO READ INSTRUCTIONS***
there is a fix!!!
what you want to do is follow these instructions to downgrade your htc thunderbolt to a firmware that can be S-OFF, i should say.
the reason behind why this wont work is because you are probably s-on and HTC is rejecting your file. Kinda like Read/Write.
Basically you need to be S-OFF.
*****FOLLOW THESE INSTRUCTIONS CORRECTLY SO THAT YOU WON'T PERM-BRICK THE DEVICE TO WHERE YOU CANNOT FIX IT*****
here is the link to the post: Read Below
this link contains all of the information you need to achieve your goal.
PLEASE THANK ME FOR THIS INFO
---------- Post added at 01:00 PM ---------- Previous post was at 12:50 PM ----------
ALSO YOU SHOULD DOWNLOAD CWM MECHA TOUCH RECOVERY
HERE IS THE LINK