![Apple iPhone 11](http://wmstatic.global.ssl.fastly.net/ml/7271123-f-f34f67f0-9728-48ce-bfa7-d442f8c3ff35.png?width=150&height=320)
Apple iPhone 11
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/7271123-f-aa8fa17a-fa1e-478c-9714-6c8b880b60d3.png?width=206&height=444)
Press Mobile Service.
![](http://wmstatic.global.ssl.fastly.net/ml/7271123-f-e9d48bac-e04e-48dc-8e9e-57c8e01d5ed9.png?width=206&height=444)
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/7271123-f-8c8762a8-5d5f-40b7-b746-18291b307d00.png?width=206&height=444)
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/7271123-f-8c8762a8-5d5f-40b7-b746-18291b307d00.png?width=206&height=444)