Apple iPhone SE (2020)

Apple iPhone SE (2020)

iOS 15.1

iOS 18 iOS 17 iOS 16.0 iOS 15.1

I can't use Wi-Fi calling on my Apple iPhone SE (2020) iOS 15.1

Cause 3 of 4: The operator settings haven't been updated to the latest version

If you can't use Wi-Fi calling, you may need to update the operator settings to the latest version.

Solution: Check if there's an update for the operator settings in "About" in your phone's settings.

Apple iPhone SE (2020)