How 2 Jailbreak & Unlock Iphone 4

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Download GreenPois0n for Windows

GreenPois0n is now available for download. If for some reason Limera1n didn’t work for you, you can give this one a try to jailbreak iOS 4.1 on iPhone 4, 3GS, iPod touch 4G / 3G and iPad. Support for iPod touch 2G and Apple TV will also be added soon.

Step 1: Download GreenPois0n from the link given below.
Step 2: Connect your iPhone via USB to your computer and click on “Prepare to Jailbreak (DFU)” as seen in the screenshot below.

Step 3: Now follow the following onscreen instructions:

• Press and hold the sleep button for 2 seconds

• Continue holding sleep; press and hold home for 10 seconds.

• Release sleep button; continue holding home for 15 seconds.

Step 4: Your device is now ready for jailbreak. Click on “Jailbreak” to inject the exploit.

Step 5: Your iPhone, iPad or iPod touch should now be successfully jailbroken on iOS 4.1 !

Step 6: Now start “Loader” found on the homescreen and install Cydia:

 

This is it! You are done !
Unlock for iOS 4.1 (Old Baseband) There is currently no way to unlock your iPhone on the latest 05.14.02 / 2.10.04 basebands. If you have managed to preserve your baseband while upgrading to iOS 4.1 using TinyUmbrella, you can use the existing version of Ultrasn0w to unlock your iPhone on iOS 4.1.
Download GreenPois0n for Windows

Posted in: iphone, jailbreak iphone, windows