WiFi assist not working in a iPhone 11 Pro
This feature is not at all working in iPhone 11 series. When WiFi is dropped the phone keep WiFi on abs using cellular data from phone. It’s so annoying mew phone behaves with flaws.
Turn Wi-Fi Assist on or off
Go to Settings > Cellular or Settings > Mobile Data. Then scroll down and tap the slider for Wi-Fi Assist.
iPhone 11 Pro