Why does your phone keep switching between Wi-Fi and mobile data?

Your phone switches to mobile data to keep you connected, but it can drain your data plan. Learn what causes it and how to stop it on iPhone and Android.

Your phone switches to mobile data to keep you connected, but it can drain your data plan. Learn what causes it and how to stop it on iPhone and Android.<p><img src="https://www.engadget.com/img/gallery/why-does-your-phone-keep-switching-between-wi-fi-and-mobile-data/intro-1793641246.jpg" /></p>