Apple iPhone 13 Pro Max

Apple iPhone 13 Pro Max

iOS 16.0

iOS 18 iOS 17 iOS 16.0 iOS 15.0

I can't use Wi-Fi calling on my Apple iPhone 13 Pro Max iOS 16.0

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

Slide your finger upwards starting from the bottom of the screen 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

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

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