How To: Fix MMS and FaceTime Issue on iPhone 4/3GS 4.3.3 After Jailbreaking 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. Step One Open up