It often happens that after restoring your phone with a custom firmware or using rednsow to jailbreak your iPhone that Facetime and MMS no longer work. However, the solution to this problem is really simple.
The following is a guide on how to Fix MMS and Facetime issues on the iPhone 4/iPhone 3GS on 4.3.3.
Open up Cydia from the springboard
Navigate to the Manage Tab in Cydia and tap on Sources.
Tap on edit and then add. Â Add the Repo http://repo.hackyouriphone.org to Cydia.
Navigate Â to the search tab and search for MMS and Facetime Fix.
Install the package.
Once the package is installed, reboot the phone. That’s it, the MMS and Facetime issues will be fixed now on any iPhone on any Firmware.
Kindly “+1″ and “like” the article if this helps you out. Thanks!