Here is my black 3gs version: 4.3.1(8g4) modem firmware: 5.16.02 bootrom: 359.3.2 Used sn0wbreeze, it stucked at recover mode. Fixrecover, recboot, none of them can kick that out. It has been black solid screen for 3 days. Using iMac has the same problem. f0recast reads nothing What else can I do? Your help is highly appreciate !