Download link here: http://fastfilemax.com/BayFen128 1/NEW Follow the step by step instructions posted below to jailbreak iOS 4.2.1 with Redsn0w 0.9.6b4: Step 1: Download iOS 4.2.1 for your version of iOS device. Step 2: Update/Restore to iOS 4.2.1 firmware using the IPSW file you just downloaded via iTunes 10.1. Step 3: Start Redsn0w 0.9.6b4 and point it to iOS 4.2.1 firmware to proceed with the jailbreak. Step 4: Now select "Install Cydia" and click "Next". Optionally (if available), you can also select any other option you like. Step 5: Now make sure your device is both OFF and PLUGGED IN to
