It may well not work on the smartphone. Here is a guide to screen mirrioring. 1: 1. drag the options bar of the smartphone downwards. 2. click on the "Smart View" icon. 2. click on the "Smart View" icon 3. scan for available devices 4. select your TV to start the transmission

No, unfortunately it doesn't work. I wasn't really happy with this part and finally returned it. You'll be happier with an Apple TV box if you don't mind the size.

Hmm we had something similar in the application with a film and the VLC media player. The solution was to switch to 2.4G WLAN, 5G does not work in our environment.