Dod - (351) Mp4

Your dashcam saves footage as MP4 files on a Micro SD card. There are two main ways to get these onto your computer or phone:

Many repair tools work better if you provide a "reference file"—a healthy MP4 recorded on the same camera with the same settings. 3. Essential Maintenance

Remove the Micro SD card from the camera and use a card reader to plug it into your PC or tablet.

To prevent MP4 recording errors and ensure the camera runs smoothly: RC400S / RC500S User Manual - Dashbordkamera.no

Sites like Fix.video allow you to upload a damaged file and attempt an automated fix.