Error 1015
Restart computer; change computer; reinstall system, if iPhone is always in restoring mode: XP users can jump from restoring mode with ibus; MAC users can use iNdependence. (usually on the iPhone with 1.1.1 firmware downgraded from 1.1.2) Baseband firmware on the IPSW is higher than the baseband firmware on the iPad/iPhone. 1

اما الاخر لااعرفه