How to use the usb of Samsung mobile phone to connect TV to watch video?

If you need to connect the TV, you can connect the TV through Samsung Smart * * * and enjoy AllShare Play. The specific operation is as follows: 1. The mobile phone and TV are connected to the same wireless network and logged into the same Samsung account; 2. Turn on the phone and enjoy Samsung Smart * * *-Click on the file (photo/music/video/document) to enjoy * * *-Play to other devices-Select TV.