This such as to smoothly play more or less a bit of computer knowledge requirements, the first thing you have to query to confirm the format of the DVD can be played, is to look at the video file extension. Check whether the extension of the video file downloaded from the cell phone memory card is the same. At present, DVD can play most of the common formats such as MPEG, AVI, MPEG4, etc. Specifically, you need to refer to the DVD manual parameters. If the format is not correct, you need to download the corresponding video format or use the format conversion software on your computer to convert the format before you can play it on the player.
Lastly, the memory card of the cell phone is a TF card, which can be read by using a TF card reader and plugging it into the USB port of the DVD.