If this specific .mp4 file is a video of your family (perhaps the "Thompson" family referenced in the filename) that you wish to see on your frame:
: You can adjust the playback volume directly from the frame’s Settings Menu . 2. Storage and Connectivity 19155 thethompsontwinsfamilyalbum.mp4
For deeper technical troubleshooting or a walkthrough of the frame's interface, you can refer to the official FamilyAlbum User Manual . If this specific