Apple iPhone 11 Pro Max

Step 1 of 4

1. Find "Mobile Data"

Press Settings.

Step 2 of 4

1. Find "Mobile Data"

Press Mobile Data.

Step 3 of 4

2. Turn automatic use of mobile data on or off

Press the indicator next to "Wi-Fi Assist" to turn the function on or off.

Step 4 of 4

3. Return to the home screen

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