My i Phone phone 4's will not complete calls unless I reboot the phone. I dial the number and get a "beep" sound and the screen says "Call failed". If I restart the phone it will complete the call.
My i Phone phone 4's will not complete calls unless I reboot the phone. I dial the number and get a "beep" sound and the screen says "Call failed". It will continue doing this until I restart the phone, then it will complete the call. iOS 8.4.1 (12H321) Carrier is T-Mobile 20.0 Memory 27.3 GB, available 24.0 GB.
iPhone 4S, iOS 8.4.1