Updating iphone 3g to 2 2
Pwnage Tool 4.1.3 also does the same thing and prompts if you want to update baseband, however, it supports Mac OS X only.
a device that can run ios 5.0 or later is required" So i put into google " download ios 5.0" bit its not working and i can't find anywhere on itunes the download button to download it.
You don’t want your battery to die during the flash process! PLEASE UNDERSTAND THE CONSEQUENCES OF UPDATING TO 06.15.
Untethered Jailbreak: i Phone 3GS (old bootrom), i Phone 3G, i Pod touch 2G (Non-MC) Tethered Jailbreak: i Phone 4, i Phone 3GS (new bootrom), i Pad, i Pod touch 4G, i Pod touch 3G, i Pod touch 2G (MC Model) A tethered jailbreak means that each time your device loses battery power or needs to be rebooted, you must attach it to a PC or Mac to boot into the jailbroken state.
You could update your i Phone to i OS 4.2.1 in two ways : Automatically and Manually.
For other i OS devices, redsn0w 0.9.6b5 will simply jailbreak the device but some models will be a tethered jailbreak.