The famous iPhone hacker MuscleNerd has just sent an update via Twitter that unlock for iOS 4.2.1 on iPhone 3G and iPhone 3Gs using baseband 05.15.04 and for iPhone 4 using baseband 01.59.00 has been completed and expected to launch this Sunday. The same tool Ultrasn0w will be released for end users which makes unlocking really easy.
So if you have mistakenly bricked your iPhone and lost the previous Ultrasn0w unlock, wait till Sunday and your iPhone will be unlocked again !
Stay tuned for more updates.
Update: Unlock for iOS 4.2.1 has been released !
[via]
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