Apple has released two new iPhone 4 commecials named “AirPlay” and “FaceTime”. Continuing their new “if you don’t have an iPhone” campaign, the FaceTime commercial demos iPhone-to-iPhone, iPhone-to-Mac and iPhone-to-iPad video calling.
You can jailbreak iOS 4.2.1 with Greenpois0n, RedSn0w and Seas0nPass. All iOS 4.2.1 jailbreak guides for iPhone 4, 3GS, 3G and iPod Touch 4G, 3G and 2G can be found below. We’ll update this post as soon as a new jailbreak for iOS 4.2.1 firmware is out. So, bookmark this page for future reference.