If you are facing that call failed iphone issue again and again. I know it can be very frustrating when you are making some urgent phone call and then your phone says call failed.... moreIf you are facing that call failed iphone issue again and again. I know it can be very frustrating when you are making some urgent phone call and then your phone says call failed. But don't worry here are the steps by which you can fix your issue:Dial *#31#Turn off and on Airplane ModeRestart your iPhoneRemove and reinsert SIM cardReset Network Settings on iPhoneReset All SettingsUpdate your iPhone’s softwareCheck blocked contacts listSee if call forwarding is turned onContact your carrier
