Video Tutorial How To Jailbreak iOS 4.2.1 Untethered With Redsn0w 0.9.7

This is complete step by step video tutorial how to Jailbreak iOS 4.2.1 Untethered for iPhone, iPod touch & iPad with RedSn0w 0.9.7b3 (beta 3). Before follow this jailbreak video tutorial, make sure your iPhone, iPad or iPod touch running iOS 4.2.1, with SHSH blobs saved for iOS 4.2 Beta 3, iOS 4.2 Beta 3 firmware file and Mac OS X program. Please note, this jailbreak tutorial only for redsnOw user with iPhone 4, iPad and iPod touch 4G only. For other instruction jailbreaking with redsnOw, you can follow this link.