How to screen hotel TV?

Hotel TV screen projection method is as follows:

Tools/raw materials: OPPOr 15, ColorOSv7. 1, setting 1.0.

1. First, turn on the phone. Then, click Open Settings.

2. Next, click Open Connection.

3. Secondly, click to open the mobile phone projection screen.

4. Then, turn on the screen projection switch of the mobile phone.

5. Finally, turn on the hotel TV and you can project the screen.