How to update videos on GAD073-P Part# 7331 May be you can try the following procedure?

1. copy the special text file "update.txt" on the USB Flash Drive without any movies

2. Power on the GAD073-P and until see your old video is playing

3. Insert the USB Flash Drive

4. The old video will be delete.

Then, you can use normal USB update procedure to load the new video into the GAD073