It has couple of setups For screen mirroring. 1: you connect the projector to your WiFi router, then connect your phone to the projectors own WIFi, then go to a website, then reconnect your phone back to your router. Or 2: Using your own phone data, basically just connect to the projector WiFi in your settings. Their instruction booklet is decent, and the projector has A couple messages on screen that help a little as you connect. Look up the manual online for an idea of how it works.