[carlitos]

ok i see to many post bout this but none with my roblem.. im rooted with unrevoked forever so i got S off stock 2.2 rooted. RA nand. etc... i try to doit manually n i got this

install from sd card...
finding update package...
opening update package...
verifying update package...
E:No signature (206files)
E:Verification failed

Installation aborted.

can someone tell me how to do the update also i wipe the phone to factory n try it but no work i got the same thng..