Apple iPhone SE (2022)

iOS 18

iOS 18 iOS 17

My Apple iPhone SE (2022) iOS 18 uses a large amount of mobile data

Cause 5 of 7: Wi-Fi Assist is turned on

If Wi-Fi Assist is turned on, your phone will use mobile data when the connection to the Wi-Fi network is poor.

Step 1 of 4

Find "Mobile Service"

Press Settings.

Step 2 of 4

Find "Mobile Service"

Press Mobile Service.

Step 3 of 4

Turn Wi-Fi Assist on or off

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

Step 4 of 4

Return to the home screen

Press the Home key to return to the home screen.

Press Settings.

Press Mobile Service.

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

Press the Home key to return to the home screen.