iPhone 4 Facetime over 3G

Setup Instructions:

1) Jailbreak your iPhone 4 via www.jailbreakme.com.

2) Download and upgrade to the latest Cydia package.

3) Open Cydia, Go to Manage then Sources.

4) Click Sources, Edit then add: http://apt.modmyi.com

5) Search for “My3G” — download, and install it.

FaceTime on iPhone 4

6) Go through the Rock setup process with a username and password. Open My3G and leave all settings on the default.   7) FaceTime should now work over 3G! — Make sure to “Forget” the WiFi network you are on (via iOS settings) if you want to test it.

via-9to5mac