thanks for your quick reply.
But i tried many times with SD card unlock, all failed.
1. i could not copy anything into main memory since phone could not boot normally.
2. with one RAPHIMG.nbh (
http://ppcgeeks.com/forum.ppcgeeks/a...5&d=1242340117) in SD card root folder and in tri-color screen, it shows always loading. nonthing else. and reboot still in infinite reboot loop. Or there is any other unlocker software here?