Jailbreak 4.3.1 Sn0wbreeze - Unlcok 4.3.1 Ultrasn0w [Video]

Jailbreak 4.3.1 Sn0wbreeze 2.5 by iH8sn0w can now be used to carry out untethered jailbreak for iOS 4.3.1 by creating custom firmware. Sn0wbreeze 2.5 allows you to preserver your unlockable baseband so that you can unlock it with ultrasn0w. The guide below will help you to Jailbreak any iOS 4.3.1 device in just a few steps.

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Mac User ?

How to Jailbreak 4.3.1 PwnageTool 4.3 (Mac) OR iPhone 4, 3GS / iPod Touch 4G, 3G / iPad - Custom Firmware [Mac Guide] Click Here.

This Jailbreak Supports:

iPhone 3G[S]/4
iPod Touch 2G/3G/4
iPad 1
Apple TV 2

Required Downloads:

Sn0wbreeze 2.5
iTunes 10.2.1
An iOS 4.3.1 device

Steps:

Step 1: Open Sn0wbreeze close pop-ups and read warning then press next button.
Screen shot 2011 04 04 at 1.00.31 PM How To Jailbreak Untethered All iOS 4.3.1 Devices Using Sn0wbreeze 2.5
Step 2: Drag n drop or navigate your iOS 4.3.1 Software Update and press next button.
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Once your iOS 4.3.1 iPSW identified then press next.
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Step 3: Now select Expert Mode option and press arrow to continue.
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Step 4: Once you press next after selected “Expert Mode”, then just select “Build IPSW” and press next blue arrow.
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Sn0wbreeze will begin Processing to create custom Jailbroken iOS 4.3.1 Software Update for iPhone 4, 3GS, iPad 1, iPod touch 3G and 4G.
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Step 5: Once your custom Jailbroken iOS 4.3.1 Software Update is successfully created then follow the Sn0wbreeze instruction to entering DFU mode or use below easy DFU method .
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Put your device into DFU mode

Connect your device with iTunes
Hold down the Power and Home buttons together for 12 seconds
Release Power button but keep holding the Home button for 15 seconds

When your device in DFU mode then Sn0wbreeze get the following message from thier iREB software.
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Step 6: Now open iTunes and hold down left “Shift” key and click on “Restore” button and select Sn0wbreeze Custom iOS 4.3.1 and after that iTunes auto detect you Custom iOS 4.3.1 and start Restoring.
iPhone How To Jailbreak Untethered All iOS 4.3.1 Devices Using Sn0wbreeze 2.5
Congrats! Your iOS 4.3.1 Device is successfully updated and jailbroken iOS 4.3.1.
Here's the video guide to untethered jailbreak iOS 4.3.1 with Sn0wbreeze 2.5 and unlock with ultrasn0w: