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If the message "Unable to load video, error loading a higher quality version of this video" appears when importing video, restoring a backup, or going to the Photos app to view it after taking a video (pictured), you can try to solve it as follows.

1. Go to iPhone Settings - General - iPhone Storage to see if there is any availability. If your storage is full, consider deleting some apps, photos, or videos you don't need to make more space.
2. Go back to the main interface, close the Photos app completely in the background, and then try to reopen the Photos app to view the video.
3. After opening the video, tap the "Love" favorite icon below the video and wait to see if it returns to normal.
Or tap Edit in the upper-right corner, wait for the video to load automatically, then quit editing to see if the video returns to normal.
4. Forward the video through a third-party application, such as WeChat, QQ, etc., and then return to the photo application to see if the video is restored.
5. If you have the download iMovie app on your device, you can try importing the video you can't open into the app, then save the video, and then try to open the app to see if it returns to normal.
6. Open iPhone Settings - Apple ID, tap Photos in iCloud Settings, then tick Download and keep original.
Go back to settings, tap "Cellular Network", in the list of apps, see if Photos has permission to use the network, can connect wi-Fi and power, wait for photos and videos to load, and then click Video View.
If there's enough traffic, you can also allow Photos to use the cellular network, directly updating and downloading photos and videos.
Wait for the video in iCloud to finish loading, then reopen the Photos app to see if the video returns to normal.
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