Healthy Super Digital TV Old TV just doesn't know what happened.

This may be caused by a system problem. It is recommended to try to restore the factory settings first. If you can't recover, please brush the machine or contact the after-sales service. You can find relevant tutorial posts on the smart TV network forum.

Ps: In addition, if you don't understand anything, you can go to the znds Smart TV Forum to find relevant information, or ask the administrator to help recommend smart TV&; Download and install Dangdang App Store on the set-top box, expand resources and watch all kinds of live broadcasts on demand for free!