Jailbreak and unlock iPhone 3.1.2

Today the iPhone 3.1.2 update was released to iPhone, iPhone 3G, iPhone 3GS, and iPod Touch usres. This update includes mainly bug fixes. If you would like to jailbreak or unlock your device, you must read this. If you have an unlocked iPhone 3G or iPhone 3GS do not update to this new firmware, updating [...]

Apple Releases iPhone Firmware Update 3.1.2, Fixes Network Issues but Breaks Jailbreak

Apple has just released a new firmware update, version 3.1.2 for the existing iPhone and iPod Touch range, which contains no new features but fixes an important issue with cellular network reception. The new software fixes dropped cell connections until the iPhone is restarted, according to Apple.
However, it looks like the update does contain [...]