Thanks to Certs for this heads up!
Your iPhone 4 must be jailbroken (see how in the upgrade forums).
Quote:
Originally Posted by Certs
Go to Cydia, download Rockapp, and you can install mywi to tether over wifi, and my3g to use FaceTime over 3G (that didn't take long). My life is now complete.
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Again, just open Cydia, search for "my3g" and install the package. It will install "Rock" (a third party app store like Cydia) and you can buy it for $3.99. Looks worth it to me, just install it and you can use Facetime over 3G and not just WiFi.
Here's the official description. (taken from
here)
Product Description
Facetime over 3G!!!!
My3G: Take back your 3G! My3G makes Apps believe that they are on WiFi instead of 3G. With My3G, you can now watch HiDef YouTube videos, use Skype/Fring/Other VOIP apps over the 3G network!
Features:
- In-App popup request to enable/never ask for My3G to be enabled for that app
- In-App indicator when My3G changes the network from 3G to WiFi
- Ability to select which apps are My3G enabled and not.
- Default Apps - no configuration for the most popular apps!
- SBSettings Toggle! You can temporarily enable My3G for all apps or toggle back using your defined Apps list
- Dynamic enablement - Higher successs rate (near 100%) then 3G Unrestrictor (which does one off solutions for apps). My3G enables 3G indicators more dynamically.
4.1 Updates
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- Facetime over 3G!!!
4.0 Updates
=============
- Support for iOS 4.0
- Fix for some apps
- Fix for popup
- 4.0.7 - improved performance