On 2017-5-28 14:29, you reported "MTV 9000 接收信號強度、質量所有台都是100%和83% - 顯示不準確".
On 2017-6-1 16:24, this behavior was already improved to satisfy you.
On 2017-6-10 13:19, you confirmed this change was satisfactory.
Try asking Sxxx HK to save the user selection of audio track and subtitle track for each TVB channel on their Android TV, or at least not default to an undesirable selection, see when you'll achieve that, if ever.