iPhone 3G 3.1.2 (7D11) iPhone1,2_3.1.2_7D11_Custom_Restore.ipsw created from PwnageTool on VMWare on Windows XP Professional. Has a 500MB Root Partition. Apple Boot Logo. iTunes DFU Logo.
Baseband: 04.26.08 READY FOR UNLOCK
Activate Wi-Fi, Goto Cydia, Wait a minute, Press Complete Upgrade, Relaunch Cydia, Goto Search and type "UltraSn0w" then install. Press Reboot Device then goto Settings, General, Network, then disable 3G, go back to General, goto Reset, then Reset Network Settings. iPhone will reboot unlocked and ready for MMS.