The only jailbreak for iPhone firmware 3.1.2 available is blackra1n and it still has some issues. The most common issue is the tethered jailbreak. There are certain applications on Cydia that require a reboot. Tethered jailbroken iPod touches will be prompted to be restored after a reboot, which means that you’ll have to restore and jailbreak...
Important: iPhone OS 3.1.3 has been released for the iPhone and iPod Touch. We’ve got a new guide up on how to jailbreak iPhone 3.1.3 and iPod Touch 3.1.3 with redsn0w 0.9.4. Don’t upgrade to iPhone OS 3.1.3 if you’re using an unlocked iPhone 3G/3Gs or a jailbroken iPod Touch 2G (MC Model)/3G. The redsn0w guide is for iPhone...

The wait is quickly over. George has released blackra1n, the jailbreak tool for iPod Touch and iPhone firmware 3.1.2, for Mac OS X. It works exactly the same way as our guide for jailbreaking using blackra1n on Windows defined. There’s no word yet whether it supports the 3G 8GB iPod Touch as mentioned in our troubleshoot guide. Do let...
Important: iPhone OS 3.1.3 has been released for the iPhone and iPod Touch. We’ve got a new guide up on how to jailbreak iPhone 3.1.3 and iPod Touch 3.1.3 with redsn0w 0.9.4. Don’t upgrade to iPhone OS 3.1.3 if you’re using an unlocked iPhone 3G/3Gs or a jailbroken iPod Touch 2G (MC Model)/3G. The redsn0w guide is for iPhone...