This information is applicable to all the realme devices.
The downloaded video of the mobile phone can be played only when the basic requirements such as format, stream, and frame rate are met. If it is an online video, it may be that the slow speed of the network causes the cache to be insufficient to load the video.
It is recommended that you perform the following troubleshooting:
1. Check if the phone supports the video format.
There are many different video formats, and if it is a video format that is not supported by the mobile phone, it cannot be played on the mobile phone.
2. Check if the original video file is normal.
You can change the other device to see if it can be played. For example, if the video cannot be played on the PC side, the video file may be damaged.
3. Check if the video player is normal.
There may be compatibility issues with the video player, you can try changing to another video player to play.
4. Check if the network environment is normal.
For online video, slow network slow buffering may also cause the video to fail to load and play. You can try again by changing the network environment.