The Limera1n jailbreak tool for the Mac OS X have been released and now you could jailbreak iOS 4.1 using it on iPhone 3GS, iPhone 4, iPod Touch 4G, iPod Touch 3G. So here are the steps to do it on Mac OS X using the Limera1n jailbreak tool. Follow the below steps to jailbreak your device using Limera1n.

1. Download Limera1n from here.
2. Connect your device with the PC.
3. Launch Limera1n and click on ” make it ra1n ” button.

Jailbreak iOS 4.1 on Mac OS X
4. Now you’ll have to enter recovery mode.
5. Press and hold the home and power button together.
6. Release the power button when asked.
7. Now wait till your device enters recovery mode.
8. Now you could see the Limera1n app on your screen.
9. Launch the app and install Cydia.

That’s it! You have done it!