Check the original video resolution
Use the highest-quality source file available
Increase playback quality settings
Disable low-bandwidth or data-saving mode
Re-export the video at a higher bitrate
Use a higher resolution export setting
Avoid excessive compression
Reduce scaling beyond the original resolution
Sharpen the video slightly if needed
Use video enhancement software
Stabilize and denoise the footage
Improve lighting in future recordings
Clean the camera lens
Record with a higher-quality camera
Set the camera to the highest available resolution
Update video player or editing software
Check for corrupted files and re-download if needed