MuscleNerd from Iphone Dev Team has tweeted that an Un-Tethered jailbreak for iPhone 4 4.2.1 has been developed and soon to be released. Below is the tweet with the mention of an Unknown Jailbreak exploit.
What is difference between Tethered and Untethered Jailbreak ?
At present the only jailbreak available for iphone 4 4.2.1 is RedSn0w 09.06.b4 Jailbreak which offers tethered jailbreak solution for iPhone 4 . Tethered means you have to boot into the device by connecting your device to the computer and running RedSnow every time you wish to reboot the phone. Untethered jailbreak does not require you to have the computer , it can directly boot from the phone .
No ETA has been provided for the release date of the untethered jailbreak as MuscleNerd kept his communication short .
Below is the video of the untethered jailbreak in action [Ipod Touch 4] :
Latest Tweet Update :
Recent tweet come from Comex [maker of JailbreakMe] confiming the untethered jailbreak coming on or before Christmas this month .
Twitter Update 2 : Latest tweet comes from PosixNinja who developed GreenPoison Jailbreak . Hopefully the next untethered jailbreak for iphone 4 4.2.1 will be an upgraded version of Greenpois0n . There is no ETA yet , but we hope to see light on Christmas .
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