Outdated or unsupported software can sometimes lead to some issues, so it is always good to periodically check and make sure your device’s software is updated. Some updates might require Wi-Fi connectivity, but most should be easy, quick and straight forward.
Check both your carrier settings update and your iOs software updates, and make sure they are both updated to the newest offerings. If your software on your device is older or out of date, it might be the reason for your troubles. The next thing you can do is to make sure that your software is updated. You want to make sure it is turned off, if it was on, that might be why you weren’t getting any incoming calls. Go to Settings, then Phone, and then click on Call Forwarding. Have a look to see if Call Forwarding is turned on or off.You can find this information out by going to Settings, then to Phone, and then into Call Blocking & Identification. Make sure that you don’t have any blocked phone numbers, as that would lead to you not receiving phone calls from that number.If it’s on, that would be the reason why you are not able to receive any phone calls. This can be found in the Settings menu and then go into the Do Not Disturb menu, and make sure that Do Not Disturb is off. Check your Do-Not-Disturb settings on your phone.This can sometimes help to fix everything up so you can start getting incoming calls again. Try turning Airplane Mode off and back on again after waiting a few seconds.Here is a quick list of them to make sure you do everything you can to restore your ability to receive phone calls. The settings menu is home to a number of different things you can do to try and start receiving phone calls again.