The original film is shown on television as follows
The original disk power supply can be downloaded to the U disk or mobile hard drive can be played on the smart TV.
First of all, the TV has a USB interface, and secondly, the TV should have a high-definition video decoding chip, which can decode and play the downloaded 4k video, some TVS do not have a decoder, can only play sound without images, which requires updating the video decoding software of the smart TV.