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How to update the screen projection function of your TV? I have summarized several methods here.
1. Open the projection screen of the old music broadcast you saw, and click Version Detection Update in the settings.

2. If there is a prompt when updating, and the installation package fails to parse, and the prompt is wrong, please uninstall the current version and download the new version of the music broadcast projection screen directly from the TV application store. Update the method, open TV application stores such as Xiaomi TV, TCL TV, Konka TV, LeTV TV application store, search LBTP, select Leibo projection screen, and complete the installation and download.

3. Prompt that the signature package with the same name has been installed, indicating that your music projection screen is pre-installed. You must use special methods, contact customer service or use "U disk installation method" to install the latest version of the music broadcast projection screen.