UPDATE: Apple released iOS 6.0.1, so you can NOT restore to earlier firmware (both original and custom), unless you have saved your SHSH keys. If you are on iOS 6.0 right now you can use this tutorial.
This is step-by-step instructions on how to perform tethered jailbreak of youriPod Touch 4G on iOS 6 firmware using RedSn0w 0.9.15 for Windows.
Tethered jailbreak means that each time you restart your device you will need to connect it to a computer and run redsn0w.
UPDATE: Apple released iOS 6.0.1, so you can NOT restore to earlier firmware (both original and custom), unless you have saved your SHSH keys. If you are on iOS 6.0 right now you can use this tutorial.
This is step-by-step instructions on how to perform tethered jailbreak of youriPhone 4 on iOS 6 firmware using RedSn0w 0.9.15 for Windows.
Tethered jailbreak means that each time you restart your device you will need to connect it to a computer and run redsn0w.
The iPhone Dev-Team released RedSn0w 0.9.14b2 with improved algorithm for baseband downgrade from the iPad's 06.15 baseband to 05.13 on the iPhone 3GS and iPhone 3G. The 06.15 baseband was used by many users to unlock their device. Now it is possible to to get back true GPS and an ultrasn0w unlock.
The iPhone Dev-Team released RedSn0w 0.9.14b1 that can perform a baseband downgrade from the iPad's 06.15 baseband to 05.13 on the iPhone 3GS and iPhone 3G. The 06.15 baseband was used by many users to unlock their device. Now it is possible to to get back true GPS and an ultrasn0w unlock.
Apple released new iOS firmware for Apple TV 2G and latest Apple TV 3G. The build number is 9B830 and the firmware can be installed via Software Update or by direct download:
Using this tutorial you will be able to untether jailbreak iOS 5.1.1 (5.0 9B206f and 5.0.2 9B830) running on Apple TV 2G. This tutorial uses Seas0nPass for Mac OS X or Windows.
UPDATE: Please, consider reading our Jailbreak & Unlock FAQ, especially if you have questions or troubles.
Step one
Make sure you're running the latest version of iTunes.
The iPhone Dev-Team has released updates to RedSn0w and PwnageTool that bring support for the iOS 5.1.1 untethered jailbreak.
RedSn0w 0.9.12b1 supports untethered iOS 5.1.1 jailbreak for all devices:
iPhone 3GS
iPhone 4
iPhone 4S
iPad 1
iPad 2
new iPad 3
iPod Touch 3G
iPod Touch 4G
PwnageTool 5.1.1 allows to create custom firmware and preserve modem version for unlock with ultrasn0w or Gevey. PwnageTool 5.1.1 supports all A4 devices:
iPhone 3GS
iPhone 4
iPad 1
iPod Touch 3G
iPod Touch 4G
Apple TV 2G
You can download RedSn0w 0.9.12b1 here and PwnageTool 5.1.1 here.
iOS 5.1.1 untethered jailbreak tutorial using Redsn0w is available here.
Using this tutorial you will be able to create a custom firmware, untether jailbreak and unlock iOS 5.1.1 running on iPhone 4. This tutorial uses Sn0wBreeze 2.9.5 for Windows.
Sn0wBreeze will also preserve baseband version if you need carrier unlock.
Using this tutorial you will be able to create a custom firmware, untether jailbreak and unlock iOS 5.1.1 running on iPhone 3GS. This tutorial uses Sn0wBreeze 2.9.5 for Windows.
Sn0wBreeze will also preserve baseband version if you need carrier unlock. It can also update your modem version to 06.15 if you need unlock and stuck with 05.14 or higher baseband. If you have new iPhone 3GS that was made after 28 week of 2011 upgrading modem will not help to unlock.
This is step-by-step instructions on how to perform jailbreak and unlock of youriPhone 3GS on iOS 5.1.1 firmware using RedSn0w 0.9.11 for Windows.
If you have iPhone 3GS with an old bootrom version 359.3, the jailbreak is untethered. If your device has bootrom version 359.3.2 and higher, jailbreak will be tethered. You can detect your bootrom version using this tutorial.
Tethered jailbreak means that each time you restart your device you will need to connect it to a computer and run redsn0w.