How to turn Wi-Fi Assist on your Apple iPad Air (2020) on or off
You can set your tablet to use mobile data automatically when the connection to the WiFi network is weak. To turn Wi-Fi Assist on or off, you need to turn on mobile data.

You can set your tablet to use mobile data automatically when the connection to the WiFi network is weak. To turn Wi-Fi Assist on or off, you need to turn on mobile data.