Download iPhone OS 3.0 Beta 5 Build 7A312G.

If you are here i m sure you gets your hands on iPhone OS 3.0 Beta 5 if not don’t worry download here.  Finally Cydia makes it’s presence in OS 3.0 Previous releases of Quickpwn for OS 3.0 Beta supports only Icy. If you are Interested in Icy more than Cydia then follow our guide on How to Install the Icy Installer for iPhone.There are many Cydia/ ICY Applications which are not supported by iPhone OS 3.0 but many commonly used applications are working. Please note that the new iTunes 8.2 checks to makes sure you are registered with a dev before it upgrades your firmware.

How to Use QuickPwn for Jailbreaking iPhone 3.0 Beta 4 :

1. Shift + Restore or Shift + Upgrade for the 3.0 firmware beta 4 
2. Run QuickPWN Beta 4 for Cydia. 
3. Follow onscreen instructions and when it says recovery mode, unplug your iphone, turn it off, wait 10 seconds, hold home for 5 seconds, then plug it in, continue following the onscreen instructions. 
4. Enjoy jailbroken 3.0 beta 4