Download file here: http://godownloadlink.com/Giacobo146/Untethered Here's what you will need to know before proceeding: * iPhone, iPad or iPod touch running iOS 4.2.1 * iPhone, iPad or iPod touch with SHSH blobs saved for iOS 4.2 Beta 3. * Mac OS X * Access to iOS 4.2 Beta 3 firmware file. * If you rely on Ultrasn0w unlock, STAY AWAY from this version of Redsn0w. * Currently limited to iPhone 4, iPad and iPod touch 4G only.