Solution:
The new feature of Mi TV is called Automatic Update Channels. If you receive digital channels, please set the TV to automatically update the list with new channels. Once a day, at 5 AM, the TV updates the channels and stores new scanned channels, you may notice the LED on TV light up during the update. Empty channels are removed. The TV must be in standby to automatically update channels. To switch off the Automatic Update, press HOME button, select [TV] and press OK. Set [Update channels automatically] to be [Off].