Includes advanced commands to modify the device's IMEI number, though this is often used for troubleshooting or grey-market repairs Bootloader Downgrading:
The go-to community for tools compatible with iOS 1 through iOS 10. The iPhone Wiki For technical documentation and verified version histories. A Quick Word of Caution Ziphone Download
Ziphone 2.0 - no more tutorials/stuff ups. Easiest Hacking Yet. Includes advanced commands to modify the device's IMEI