Jailbreaking Verizon iPhone 4 4.2.8 is possible by two methods
Update : PwnageTool bundles for Mac users have been added to jailbreak Verizon iphone 4 . You can download PwnageTool Bundles for your Mac system here .
Use the jailbreak tools to jailbreak your device. While Snowbreeze 2.7.1 will build custom 4.2.8 IPSW files for your device , Redsnow RC16 will require a different approach. First upgrade your device to iOS 4.2.8 from iTunes . Then use Redsnow Rc16 and point to iOS 4.2.6 ipsw files. Follow the exact steps as shown in the Redsnow Jailbreak tutorial here .
After you have jailbroken , you need to add the following repo in Cydia . Read How to add source in Cydia Video for details .
After the source is added, search and install “CDMA iPhone Un-Tether” .
Reboot your device for the changes to take place.
Foe more updates about Verizon iPhone 4 , Subscribe to our Free Newsletter