This procedure should work to bootstrap the restore
of any 3GS or Apple TV2 with PwnageTool 4.1+ image
THIS WILL NOT WORK FOR ANYTHING LESS THAN A 3GS.
THIS WILL NOT WORK FOR A CFW NOT PREPARED WITH PWNAGETOOL.THIS WILL NOT WORK FOR ANY OTHER FIRMWARE BELOW iOS 4.1
YOU HAVE BEEN WARNED.
For iPhone 4 you can use umbrella to update with protected baseband
and greenpois0n or limera1n to jailbreak
Automatic Procedure:
1) Place your device into Recovery Mode.
While the phone is off, hold down the Home button and immediatly plug it into your computer.
(connect to iTunes logo should appear on the device)
2) In a command prompt, run irecovery.exe -p Path\To\Firmware.ipsw
Follow all the instructions.
3) once greenpois0n tells you jailbreak success...
your device should appear to reboot... (the screen can be white or connect to iTunes logo)
4) now you can send your CFW from iTunes
THIS WILL NOT WORK FOR A CFW NOT PREPARED WITH PWNAGETOOL.THIS WILL NOT WORK FOR ANY OTHER FIRMWARE BELOW iOS 4.1
YOU HAVE BEEN WARNED.
For iPhone 4 you can use umbrella to update with protected baseband
and greenpois0n or limera1n to jailbreak
Automatic Procedure:
1) Place your device into Recovery Mode.
While the phone is off, hold down the Home button and immediatly plug it into your computer.
(connect to iTunes logo should appear on the device)
2) In a command prompt, run irecovery.exe -p Path\To\Firmware.ipsw
Follow all the instructions.
3) once greenpois0n tells you jailbreak success...
your device should appear to reboot... (the screen can be white or connect to iTunes logo)
4) now you can send your CFW from iTunes