P0sixninja key figure behind Greenpoin Jailbreak Device has only posted resting on his twitter account that he is working resting on a permanent untethered jailbreak for iOS 4.2.1 resting on every one idevices. iPhone 4, iPhone 3GS, iPhone 3G, iPad, iPod Touch 4G, iPod Touch 3G. However, he did not disclose what kind of exploit he was working resting on using designed for this permanent untethered jailbreak.
A small number of hours ago MuscleNerd too confirmed that he had achieved untethered jailbreak resting on iOS 4.2.1 using iOS 4.2 Beta 3 kernel.
If posixninja gets achievement, it would be third unthered jailbreak process designed for iOS 4.2.1.
MuscleNerd: confirmed the untethered jailbreak resting on iOS 4.2.1 using a kernel file, without losing any exploit.
Comex: working resting on more extensible jailbreak method.
posixninja: who just confirmed the working resting on permanent untethered jailbreak.
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