I will show you how to jailbreak using limera1n, which is currently not supported on Mac. Requirements: Macintosh Computer (Obvious) Bootcamp with any windows version (XP, Vista, 7) If not, then any Windows PC will do it. iPod Touch 4G iPod dock connector Patience Steps: 1.Please backup your iPod JUST IN CASE! 2.Plus your iPod Touch 4G, while in Windows. 3.Download limera1n from: http://www.limera1n.com/ 4.Follow the steps (It's just "click" and "DFU Mode") 5.Wait till you see the limera1n logo on your iPod Touch 4G. 6.After that, your iPod Touch 4g will automatically shut down. 7.Move back to your Mac, and plug your iPod Touch 4G. 8.Unlock your device (slide to unlock), and turn your Wi-Fi on. 9.Open limera1n app., and tap on Cydia. 10.It will install Cydia. 11.After all is done, reboot! VOILA! YOU ARE DONE! Feelings: Doesn't lag AT ALL. I used to use iPod Touch 1G, so this is a hugh significance. Battery: Currently Testing. Jailbreak Apps: Currently Testing.