1. Make sure that Xiaomi Xiaoai lx06 and Xiaomi TV 4A are in the same LAN, and use the same Xiaomi account to log in to Mijia APP, Xiaomi AIAPP and Xiaomi TV 4A.

2. Set Xiaomi Xiaoai lx06 and Xiaomi TV 4A as common devices in Mijia APP, open Mijia APP, and set Xiaomi Xiaoai lx06 and TV as common devices.

3. Authorize Xiaomi Xiaoai lx06 to control this TV in Xiaomi AIAPP. You can display music subtitles on the TV. The above is how to display music subtitles on the TV on Xiaomi Xiaoai lx06.