The idevicerestore application is a full reimplementation of all granular steps which are performed during the restore of a firmware to a device. In general, upgrades and downgrades are possible, however subject to availability of SHSH blobs from Apple for signing the firmare files. Some key features are: {
*} Restore: Update firmware on iOS devices {
*} Firmware: Use official IPSW firmware archive file or a directory as source {
*} Update: Allows updating the device by default or erasing all data {
*} Download: On demand download of latest available firmware for a device {
*} Cache: Downloaded firmware files are cached locally {
*} Custom Firmware: Restore custom firmware files (requires bootrom exploit) {
*} Baseband: Allows you to skip NOR/Baseband upgrade {
*} SHSH: Fetch TSS records and save them as .shsh files {
*} DFU: Put devices in pwned DFU mode (limera1n devices only) {
*} AP Ticket: Use custom AP ticket from a file {
*} Cross-Platform: Tested on Linux, macOS, Windows and Android platforms {
*} History: Developed since 2010

WWW: https://www.libimobiledevice.org/
