How can I jailbreak iOS 4.2.1 (unthethered) if you do not have older SHSH?

Currently I'm looking for this only for my iPad WiFi, so no baseband.

If there are not solutions yet, do not post anything.

3 Answers 3


Greenpois0n rc5 Has been released and can do an untethered jailbreak on 4.2.1 without older SHSH blobs.



Here is a step by step tutorial to do untethered jailbreaking on an iOS 4.2.1 device.


This how-to guide should help.

It's amazing and I used it :)

  • Thanks for the effort but this method requires SHSH from 4.2 beta3, somthing that most people do not have and will never have.
    – sorin
    Jan 16, 2011 at 15:30
  • just google limera1n then -> latest version should really work
    – tekknolagi
    Jan 17, 2011 at 0:46
  • Doesn't support 4.2.1. There is no way to do it without the 4.2b3 shsh blobs yet. It's speculated that greenpois0n RC5 will be able to on Feb 10th.
    – MPT
    Feb 5, 2011 at 0:59
  • It does support 4.2.1!
    – tekknolagi
    Feb 5, 2011 at 5:21
  • limera1n.com WORKS!
    – tekknolagi
    Feb 9, 2011 at 4:20

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