For 9" version customers, Do not use the file for 1980x720 wide version. Also, do not use 9" version software on 8.9, 10.24, 12.3" products. 

1. Fixed SPDIF malfunction since the last update

2. UI bug fixes

https://drive.google.com/drive/folders/1rq2x0vk7NCF7bBKWR9HDQKoAh5zGMqu4?usp=drive_link