An untethered iOS 4.2.1 jailbreak Posted by 0ddn1x on Tuesday 08 February Posted in: Hardware, OSX. http://www.readwriteweb.com/archives/how_to_jailbreak_ios_421_untethered_for_iphone_ipad_ipod_apple_tv.php About these ads Posts navigation ← Multi-boot from flash with multiboot-3 An Openfiler cluster with offsite replication →