I can't use Wi-Fi calling on my Apple iPhone SE iOS 15.0

Cause 4 of 4: Wi-Fi calling is turned off

Wi-Fi calling needs to be turned on before you can use this function.

Solution: Turn on Wi-Fi calling.

Step 1 of 6

Find "Wi-Fi Calling"

Press Settings.

Step 2 of 6

Find "Wi-Fi Calling"

Press Phone.

Step 3 of 6

Find "Wi-Fi Calling"

Press Wi-Fi Calling.

Step 4 of 6

Turn Wi-Fi calling on or off

Press the indicator next to "Wi-Fi Calling on This iPhone" to turn the function on or off.

Step 5 of 6

Turn Wi-Fi calling on or off

If you turn on the function, press Enable.

Step 6 of 6

Return to the home screen

Press the Home key to return to the home screen.

1 Find "Wi-Fi Calling"

Press Settings.
Press Phone.
Press Wi-Fi Calling.

2 Turn Wi-Fi calling on or off

Press the indicator next to "Wi-Fi Calling on This iPhone" to turn the function on or off.
If you turn on the function, press Enable.

3 Return to the home screen

Press the Home key to return to the home screen.

Did this solve the problem?

Yes - All solved No - Go to next cause

Get information on...

Or select...

Another device