DevTeam released PwnageTool 4.2 utility. It is able to create a custom IPSW that can perform an untethered jailbreak on iOS 4.2.1. As usual it can preserve baseband version for unlockers. Devteam used the same method that was implemented in greenpois0n.

PwnageTool supports all 4.2.1 devices other than iPod touch 2G:

• iPhone3G
• iPhone3GS
• iPhone4
• iPhone4-Verizon
• iPod touch 3G
• iPod touch 4G
• iPad
• AppleTV 2G

Jailbreak is even improved compared to GreenPois0n RC6:

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These are instructions on how to jailbreak and unlock your iPhone 3GS on iOS 4.1 using PwnageTool 4.1.3 for Mac OS X. This tutorial will explain how to upgrade your baseband if needed for an unlock.

For iPhone 3G use this tutorial.

There is no unthethered jailbreak for new iPhone 3GS bootroms and iOS 4.2.1 yet, so you should stay at iOS 4.1.

Important: iPhone3GS users with old bootroms who want to go to 4.2.1 and unlock should not use this PwnageTool! Update to stock 4.2.1 first, then use new redsn0w to update your baseband.

Step One
Make a folder called “Pwnage” on the desktop. Download a couple of things:

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Tags: 2.1, 3G, 3GS, 4.2.1, Ads, baseband, BootROM, download, ed, iOS, iOS 4, iOS 4.1, iOS 4.2, iOS 4.2.1, iPhone, iPhone 3G, iPhone 3GS, iPhone3, jailbreak, Mac, Mac OS X, pwnagetool, PwnageTool 4, PwnageTool 4.1, PwnageTool 4.1.3, redsn0w, stock, Tutorial, Unlock, update, анлок, джейлбрейк

Just a day after PwnageTool 4.1.1 release, DevTeam created one more update for popular jailbreak utility – PwnageTool 4.1.2 for Mac OS X. This release should solve some problems that users had. However there are still users reporting iTunes errors when restoring custom firmware. Anyway PwnageTool 4.1.2 is worth trying.

You can download PwnageTool 4.1.2 here.

Here is a step-by-step Tutorial: how to jailbreak and unlock your iPhone using PwnageTool.

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This is step-by-step instructions on how to jailbreak and unlock your iPhone 3GS on iOS 4.2.1 firmware using RedSn0w 0.9.6b5 for Windows.

For iPhone 3G use this tutorial.

If you have an iPhone 3GS with the new bootrom you will only be able to perform a tethered jailbreak at this time. This means you will need Redsn0w’s assistance to boot into your jailbroken device.

IMPORTANT FOR UNLOCKERS
During this process you can update your baseband to the 06.15 version. If you are on 05.14 or 05.15 or higher you will need to do this to unlock. You do not need to do this for jailbreak only. Please read the following very carefully before deciding whether to do this.

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This is step-by-step instructions on how to jailbreak and unlock your iPhone 3G on iOS 4.2.1 firmware using RedSn0w 0.9.6b5 for Windows.

For iPhone 3GS use this tutorial.

IMPORTANT FOR UNLOCKERS
During this process you can update your baseband to the 06.15 version. If you are on 05.14 or 05.15 or higher you will need to do this to unlock. You do not need to do this for jailbreak only. Please read the following very carefully before deciding whether to do this.

Read the rest >>>

Tags: 05.14, 05.15, 2.1, 3G, 3GS, 4.2.1, Ads, baseband, Car, ECID, ed, Firmware, iOS, iOS 4, iOS 4.2, iOS 4.2.1, iPhone, iPhone 3G, iPhone 3GS, jailbreak, pwnagetool, redsn0w, redsn0w 0.9, RedSn0w 0.9.6, RedSn0w 0.9.6b5, Tutorial, Unlock, update, Windows, анлок, джейлбрейк