![Apple iPhone 14 Pro](http://wmstatic.global.ssl.fastly.net/ml/7111023-f-b6ebefaa-4aa5-4779-8430-5da8c38474ae.png?width=150&height=320)
Apple iPhone 14 Pro
iOS 17
Turn Wi-Fi Assist on or off
You can set your phone to use mobile data automatically when the connection to the Wi-Fi network is weak. To turn Wi-Fi Assist on or off, you need to turn on mobile data.
1. 1. Find "Mobile Service"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7111023-f-3f92c6a7-c936-4d06-9d68-c7bbeb7858fb.png?width=212&height=458)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7111023-f-2fcc3186-69a3-4785-99d0-7cc293d035fc.png?width=212&height=458)
2. 2. Turn Wi-Fi Assist on or off
Press the indicator next to "Wi-Fi Assist" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7111023-f-2259ac03-b8c8-4cf2-949d-bf650962faa7.png?width=212&height=458)
3. 3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7111023-f-2259ac03-b8c8-4cf2-949d-bf650962faa7.png?width=212&height=458)