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(VIDEO TUTORIAL) How To Jailbreak iOS 4.2.1

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ipadmaster11

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[ame]http://www.youtube.com/watch?v=rIxCseIW7-4[/ame]

Works On The Following iDevices:
iPad *Tethered*

iPhone 4 *Tethered*

iPhone 3G *Untethered
iPhone 3Gs Old Boot Rom *Untethered
iPhone 3Gs New Boot Rom *Tethered*

iPod Touch 4th Gen *Tethered*
iPod Touch 3rd Gen *Tethered*
iPod Touch 2G MC Models *Tethered*
iPod Touch 2G Non-MC Models *Untethered*

The notion of a "tethered" jailbreak is pretty new to many people, so here's a quick rundown on what to expect:

1. If you're on an iPhone3G, old-bootrom iPhone3GS, or non-MC Model iPod touch 2G, life is easy. redsn0w installed an untethered jailbreak and so nothing below applies.

2. "Tethered" does not mean you cannot boot at all without PC/Mac assistance. If you have not installed any tweaks that hook into important programs like SpringBoard or CommCenter, your device will actually boot. However, jailbreak programs like Cydia won't work (and Cydia may still have a white icon). Also, certain built-in apps that had to be moved by Cydia will fail (Safari being the most noticeable example).

3. If you've installed MobileSubstrate tweaks that hook into SpringBoard or other important programs, your boot will actually fail (you'll get stuck at the Apple logo). You need to use redsn0w to "Just boot tethered right now".
 

fergy

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nice vid bud but i'm gonna wait for the untethered JB.
 

f4780y

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That's because this thread is from 2010 and is probably no longer worth watching, particularly since it was relevant to the iPad1 only!

Please review our Tutorials and Guides section for relevant guides. If you are still running 4.2.1 on your iPad1, then you should probably be seriously thinking about updating to 5.1.1, rather than trying to jailbreak it ;)

With that, I shall close this thread.
 
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