Detailed method:
1. Download the market apk of TV application software from the computer and copy it to a USB flash drive, such as Ant.
2. Open Settings-System Settings-General-Security in the application, and open the application from unknown sources.
3. Open LeTV, connect the U disk to the USB interface of the TV, then open the file management in the application, select the storage device, open the USB, find the apk in the ant market, and click to confirm the installation.
4. After the Ant Market is installed, you can install the third-party live broadcast, on-demand and games you need for free on LeTV, such as Lu Le tvapp.