[How to] Use Ultrasn0w fixer for iOS 4.3.1 to Unlock iPhone 4/3GS

pushfix has Just announced via twitter the release of  “ultrasn0w fixer for 4.3.1” for users who are waiting to unlock their iPhone 4/3GS iOS 4.3.1 on older baseband. It unlocks the older baseband which was not working after the latest iOS 4.3.1 untethered jailbreak. Ultrasn0w fixer for iOS 4.3.1 is now available Now. You have Just need to add pushfix repo to make it work.
Redsn0w 0.9.6rc9, PwnageTool 4.3 and Sn0wbreeze 2.5 were released yesterday to jailbreak iOS 4.3.1 untethered. But unfortunately ultrasn0w is broken. So you should follow this guide to unlock your iPhone 4 and iPhone 3GS.

Sn0wbreze 2.5 released untethered for 4.3.1 with Multitouch gestures enabler

Sn0wbreeze 2.5 can be defined as "Pwnage Tool for Windows" 

because of its structure and the type of jailbreak executable program. 

Developed by iH8sn0w, Sn0wbreeze performs the jailbreak of a number 

of devices by creating a custom firmware to be restored at a later time, with iTunes.

[How-To] Jailbreak iOS 4.3.1 Untethered on iPhone 4, 3GS, iPad 1 and iPod Touch 3G/4G using Redsn0w 0.9.6 RC9 [Windows]

The iPhone Dev-Team has finally released untethered jailbreak for iOS 4.3.1 via Redsn0w and PwnageTool. Except for the iPad 2, this new untethered jailbreak is compatible to work with all devices, including: iPhone 4, 3GS, iPad (1st-gen) and iPod touch 3G/4G on the newly released iOS 4.3.1 firmware.
This untethered jailbreak for iOS 4.3.1 is based on an exploit found by iPhone security expert and hacker Stefan Esser, who demoed it on his iPod touch last week before handing it over to the Dev-Team to do the rest.


iOS 4.3.1 was originally jailbroken last week using PwnageTool bundles (on