The iOS 4.3.1 untethered jailbreak works on all devices that actually support 4.3.1 except for the iPad 2:
and works for

iOS 4.3.1 untethered jailbreak released. iPhone Dev Team has already released PwnageTool 4.3 to untethered jailbreak for iOS 4.3.1 with i0n1c's

Here is very good official news. As we expected, after releasing the password protected untethered jailbreak from i0n1c few hours ago, now MuscleNerd has

iOS 4.3.1 untethered jailbreak very important update. MuscleNerd has brought some good news regarding untethered iOS 4.3.1 jailbreak. He confirmed that i0n1c's exploit successfully jailbroke Apple TV 2G but it stilln't able to jailbreak iPad 2.

PwnageTool bundle for iPhone 3GS new and old bootrom has been released to jailbreak iPhone 3GS old and new bootrom on iOS 4.3.1. But you should to know that it's a tethered

PwnageTool bundle released to jailbreak iPod touch 4G running on iOS 4.3.1, You can use this bundle with PwnageTool 4.2 to create custom jailbroken 4.3 firmware file for

The new iOS 4.3.1 has been successfully jailbroken on iPhone,iPad and iPod touch . But you have to know that it's a tethered jailbreak for now which means that you will have to boot it into jailbroken state every time you reboot. You can follow the step by step guide here below to jailbreak iOS 4.3.1 on iPhone 4 using combination of PwnageTool 4.2, Universal Ramdisk Fixer and tetheredboot utility.

iPhone developer and hacker Nadeem97 has released PwnageTool bundles which can jailbreak iPhone 4 and 3GS untethered on iOS 4.2.1, in the process preserves the old 01.59.00 baseband for iPhone 4 and 05.14.04 baseband for iPhone 3GS so that you can unlock with the existing version of Ultrasn0w.

If the unofficial version of PwnageTool didn’t work for you, alternatively, you can now give PwnageTool bundles a go for jailbreaking iOS 4.3 Beta on iPhone 4. However this kind of jailbreak is strictly limited to iOS developers only, and will require you to have a Mac, and you must also be enrolled in either iPhone Developer Standard or Enterprise Program.

Unofficial PwnageTool bundle has just been released to make the first jailbreak for the newly released iOS 4.3 beta 1. PwnageTool bundle is only compatible with iPhone 4 only, all other devices are not currently supported.

Another good news in the jailbreak community! PwnageTool for Windows, (yes for Windows) coming soon. This is really wonderful news for unlockers who use Windows so they can cook their own custom firmwares with PwnageTool and restore using this cooked firmwares without updating the baseband and keep Ultrasn0w carrier unlock.