3GS Jailbreak Unlock Guide ios 6 0 1 tethered

What we need to do this?1= A iPhone 3gs with supported bass band for unlock with ultrasnow.2= iPhone2_1_6.0.1_10A523_Restore.ipsw3= iPhone2,1_6.0_10A403_Restore.ipsw4= redsn0w_win_0.9.15b3 or later versionWarningBefore starting be very careful do full backup of your phone using iTunes. also save SHSH blobs using redsnow to revert back to your current version of ios.This method is tested by me and