Các bác xem thế nào chứ mấy cái link:
http://vietfta.com/ip-apps/iPhone1,1_2.0.1_5B108_Custom_Restore.ipsw
http://vietfta.com/ip-apps/iPhone1,2_2.0.1_5B108_Custom_Restore.ipsw
http://vietfta.com/ip-apps/iPhone1,2_2.0.2_5C1_Custom_3G_Lock_Restore.ipsw...