Greenpois0n RC5 Free Download Jailbreak iOS 4.2.1

Greenpois0n RC5 Free Download Untethered Jailbreak of iOS 4.2.1 - The Greenpois0n RC5 actually is better than the redsn0w 0.9.7. Because only you have saved the iOS 4.2b3 SHSH blobs, you can go on with the iOS 4.2.1 untethered jailbreak.

GreenPois0n RC5 does not require SHSH blobs of 4.2b3 saved on Cydia. You can jailbreak any iOS device out of the box on iOS 4.2.1 using this latest version of GreenPois0n.

You can now download Greenpois0n RC5 to untethered jailbreak iOS 4.2.1 iPhone 4, iPad & iPod Touch. Here is the detailed tutorial for how to jailbreak iOS 4.2.1 with Greenpois0n RC5. Wish this be helpful for you.

Before jailbreak your iDevice, connect your iPhone, iPod touch or iPad to backup iPhone database. The method is very simple: Use the USB cable to connect the the iPhone with the computer, then open the available iTunes 10.1.1, right click the iPhone icon in the left, and then in the pop-up menu, select "Backup" to start.

While the Greenpois0n RC5 will not need the iOS 4.2beta3 SHSH files. So many people are waiting for the Greenois0n RC5, because they have no iOS 4.2b3 SHSH saved. The new version of Greenpois0n is also compatible with iPhone 3G and iPhone 3GS running iOS 4.2.1