My iPhone 4 with a firmware version of 4.2.1 is now running on untethered jailbreak! My phone has been running on redsn0w’s tethered jailbreak for 3 months now. Finally, thanks to Chronic Dev Team for the GreenPois0n-rc5 which jailbreak iDevices running on 4.2.1 firmware. No more pc/mac booting :)

My iPhone 4 with a firmware version of 4.2.1 is now running on untethered jailbreak! My phone has been running on redsn0w’s tethered jailbreak for 3 months now. Finally, thanks to Chronic Dev Team for the GreenPois0n-rc5 which jailbreak iDevices running on 4.2.1 firmware. No more pc/mac booting :)