Untethered to iOS 4.2.1 Jailbreak now available

The Dev-Team has just released a beta version to jailbreak Redsn0w iOS untethered to 4.2.1 using the Plan B MuscleNerd.

It is only for Mac users and only for iPhone 4, iPad, iPod Touch 4G.

Important:

• It is a test program, something can go wrong, so make a backup of your iPhone before anything else.
• Do not use if you need to release.
• The bluetooth does not work, but will do soon.
• Usbmuxd have to be installed on your Mac.

You can download the new version of RedSn0w here .

In a while will post a tutorial.

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