i saw the post that how to bypass and testmod..
then i tried everything..nothing works
first fommated sdcard(kingston 4gb..and sandisk ultra2 2gb)
2ed and copied two polder for doing testmod
3ird unit turn off and put sd card inside
4th and turn on
then i can see system startup in progress. that's it nothing happen..
it drives me crazy...plz somebody help me..my unit is f500bt