Jailbreak iPhone, iPod Touch, iPad

DevTeam worked hard for the last several hours and released jailbreak tool for iOS 4.2.1. It is redsn0w 0.9.6 b4.

As usual we remind all ultrasn0w unlockers please stay away from this official firmware. Wait for the ability to create custom 4.2.1 IPSWs that don’t update your baseband!

New redsn0w 0.9.6 b4 uses limera1n exploit and will successfully jailbreak all devices. The only problem is that it is a tethered jailbreak, which means you will have to plug it to a computer and rerun redsn0w on every reboot. This so called tethered or semi-tethered jailbreak. This condition applies to iPhone 3GS (new bootrom), iPhone 4, iPad, iPod touch 2G (MC model), iPod touch 3G and iPod touch 4G. Hackers are working hard to create untethered jailbreak for these devices. To use future untethered jailbreak you need to save SHSH keys for iOS 4.1 using TinyUmbrella utility or directly in Cydia.

Old devices like iPhone 3GS (old bootrom), iPhone 3G and iPod touch 2G (non-MC model) can be jailbroken-untethered right now using this latest version of RedSn0w.

You can download RedSn0w 0.9.6 b4 here.

MobileTerminal is a terminal emulator application for the iPad and iPhone. The version of MobileTerminal that is available in Cydia doesn’t work with iPhone iOS 4.x. However there are beta versions that do work, but aren’t on Cydia because they are still in beta stages. This tutorial will show you step-by-step how to install MobileTerminal on iPhone with iOS 4.x (tutorial for iPad is here). If you have old version of MobileTerminal installed – uninstall it in Cydia (Search – MobileTerminal – Remove).

First of all you need to jailbreak your iPhone. If you have not done it already here is an easy tutorial: how to jailbreak iOS 4.0-4.1 on iPhone using Limera1n. After you successfully jailbreaked iPhone:

1. Run Cydia by tapping on Cydia icon



2. The Cydia will start:

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These are instructions on how to jailbreak your iPhone 3GS (all bootroms) or iPhone 4 using Limera1n for Mac OS X. Limera1n supports iOS 4.0, iOS 4.0.1, iOS 4.0.2 and iOS 4.1. Use the same steps to jailbreak iPod Touch 4G and iPod Touch 3G and even iPad. You can find the Windows version of this tutorial here.

Remember: Do not update to iOS 4.1 if you need the unlock. Ultrasn0w does not support that baseband yet.

Step 1
Open your browaer and navigate to www.limera1n.com and download LimeRa1n for Mac by clicking on the Mac logo.

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These are instructions on how to jailbreak your iPhone 3GS (all bootroms) and iPhone 4 using Limera1n for Windows. Limera1n supports iOS 4.0, iOS 4.0.1, iOS 4.0.2 and iOS 4.1.

Remember: Do not update to iOS 4.1 if you need the unlock. Ultrasn0w does not support that baseband yet.

Step 1
Download LimeRa1n here. If you have problems downloading go directly to www.limera1n.com and use link at the bottom of the screen.

When prompted save the download to your desktop

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RedSn0w 0.9.6 b1 for Mac OS X was released a while ago. Today DevTeam created a version for Windows users. RedSn0w 0.9.6 b1 can jailbreak iOS 4.1 and iOS 4.1 running on iPhone 3G or iPod touch 2G.

You can download it here.

Redsn0w is easy to use:

1. Download firmware here.
2. Launch redsn0w 0.9.6 b1
3. Select your stock 4.1 or 4.0 ipsw (you’ve already used this to update your device to 4.1 or 4.0)
4. Select “Install Cydia” and any of the other options shown above, then click “Next”. Use DFU mode to install the jailbreak.

This is still beta, so there might be some problems:

Any Windows users seeing “Waiting for reboot” for too long (more than 20 seconds or so), please try “shaking” the JB process by unplugging then replugging your USB cable (while letting redsn0w continue to run). Also, try using a USB port “closer” to your computer (as opposed to on your monitor or behind another hub).

As usual DevTeam reminds us:

IF YOU USE THE ULTRASN0W UNLOCK, PLEASE WAIT FOR PWNAGETOOL TO SUPPORT 4.1. DO NOT USE REDSN0W

That’s because to use redsn0w at 4.1, you need to already have updated to official 4.1 from Apple. If you do that, you lose the ultrasn0w unlock (possibly forever).

DevTeam recently released new version of redsn0w to jailbreak iOS 4.1. New RedSn0w 0.9.6 b1 supports iOS 4.0 and iOS 4.1 running on iPhone 3G or iPod touch 2G.

There is only Mac OS X x86 version, that you can download here.

Redsn0w is easy to use:

1. Download firmware here.
2. Launch redsn0w 0.9.6 b1
3. Select your stock 4.1 or 4.0 ipsw (you’ve already used this to update your device to 4.1 or  4.0)
4. Select “Install Cydia” and any of the other options shown above, then click “Next”.  Use DFU mode to install the jailbreak.

As usual DevTeam reminds us:

IF YOU USE THE ULTRASN0W UNLOCK, PLEASE WAIT FOR PWNAGETOOL TO SUPPORT 4.1.  DO NOT USE REDSN0W

That’s because to use redsn0w at 4.1, you need to already have updated to official 4.1 from Apple.  If you do that, you lose the ultrasn0w unlock (possibly forever).

Only a few days passed since Dev Team has confirmed that Comex will try to jailbreak iOS 4.1, using other exploit. However, according to the response received on Twitter, it became known that Comex may not take part in the new iOS 4.x jailbreak.

Comex replied to the message on Twitter in such a way: “ariif, the next jailbreak might not be from me :)”.

Of course, it does not mean that Comex leaves the scene and would not take part in jailbreaking as Geohot, most likely it is only this version he isn’t planning to jailbreak. Nevertheless the smile in his reply certainly means something good…

Here is a small comment from MuscleNerd about the upcoming iOS 4 jailbreak:

the next jailbreak from @comex is like first Spirit..all devices, all bootroms, latest FW, painless install

Sounds nice!

iH8Sn0w has successfully performed a tethered jailbreak for iPhone 3GS with new firmware  iOS 4 and the new bootrom. Unfortunately this jailbreak requires users to have 3.1.2 SHSH blobs saved.

Alright… If anyone has their 3.1.2 SHSH blobs, NOT 3.1.3. Then I’ll see if I can produce a tool that will do this job…

Here is a video demo posted by AKinGdom1:

The utility will be available soon. Might be as soon as tomorrow.

DevTeam released update to their PwnageTool jailbreak utility. New version 4.01 supports iOS 4 jailbreak for iPhone 3GS (old bootrom), iPhone 3G and iPod Touch 2G (non-MC).

You can download the latest version here.

We recommend to read DevTeam instructions here before you start.