As many of your know, the untethered jailbreak for iOS 4.2.1 being developed by comex won't be able to meet his self imposed Christmas deadline. The iPhone Dev-Team has announced that they are going to release their “backup plan” for untethered iOS 4.2.1 jailbreak over the Christmas weekend according to MuscleNerd. Currently, the team is looking for beta testers to give the latest version of redsn0w a try.
If you'd like to help out the Dev Team, the requirements to test Redsn0w for an iOS 4.2.1 untethered jailbreak are available on Redmondpie...otherwise just sit back and wait for the guinea pig geniuses give it a try to work out all the bugs. The Dev Team hasn't had a good week with the recent jailbreak delays and the leak of the SHAtter exploit being argued about.
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