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How to Jailbreak [4.1] iPhone 3GS, iPhone 4 Using Limera1n (Windows)

iOS Supported: iOS 4.0, 4.0.1, 4.0.2, 4.1, and 3.2.2 (iPad)

Devices Supported:

- iPhone 3GS

- iPhone 4

- iPod Touch 3G

- iPod Touch 4G

- iPad

These are instructions on how to jailbreak using Limera1n for Windows.

Remember: Do not update to iOS 4.1 if you need the unlock. Ultrasn0w does not support that baseband yet.

Step One
Open your web browser of choice and navigate to http://www.limera1n.com. Click the Download for Windows link at the bottom of the screen.


Step Two
When prompted save the download to your desktop


Step Three
Double click the limera1n.exe file from the desktop to launch the application


Step Four
Click the large make it ra1n button


Step Five
You iPhone will now be placed in recovery mode.

Press both the power and the home buttons.


When Limera1n asks you to, release the power button.


Your phone will now be in DFU mode


As limera1n performs its exploit you will see the image of a lime raindrop on your iPhone. 


Limera1n will let you know when it is complete.


Step Six
Once your device reboots you will see a new icon on the SpringBoard entitled limera1n. Press it to continue.


Step Seven
Once Limera1n opens select Cydia then press the Install button at the top right of the screen.


Step Eight
Once the Cydia installation has completed you must reboot your iPhone.


Step Nine
When your iPhone has restarted you can run Cydia. Let it do all the necessary updates then follow our Unlock tutorial if possible for your device.


NOTE*: To remove the limera1n icon from your desktop you can install CyDelete from Cydia then use it to delete the application. Eventually this capability should be present in limera1n itself.

***A big thanks goes everyone who made this jailbreak possible.

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