Three recently released “InTouch”, an application for Android and iOS that allows you to use a WiFi network to send/receive phone calls and text messages, meaning that you can continue to use your phone as a phone without having a cellular network connection.
more here...........https://redfern.me/bypassing-root-detection-in-three-intouch/
more here...........https://redfern.me/bypassing-root-detection-in-three-intouch/