Rebooting your phone forces a refresh and can fix temporary glitches, but it's not ideal to have to do it every time you want to play a video. Instead, close the Photos app completely and relaunch it. Sometimes a simple restart of the app can resolve temporary glitches.
If you're using a third-party gallery app, try using the iOS Photos app and see if the problem persists.
The source of the videos could be related to the playback issue.
- Source:
- iPhone Camera: Videos taken directly with your iPhone camera should be compatible with the Photos app and have no playback issues.
- Downloaded Videos: Videos downloaded from the internet or other sources might be in a format that the Photos app doesn't natively support. This could lead to playback problems.
- AirDrop/Import/Transfer: Videos transferred from other devices (Android, PCs) might have different codecs requiring conversion for smooth iPhone playback.
- Compatibility:
- Codecs: Videos use codecs to compress and store data. The Photos app might not be able to play videos with codecs it doesn't support.
Here's what you can do:
- Identify the Source: Remember where each video came from (Camera, downloaded, transferred). This can help narrow down the potential cause.
- Check Video Info (if possible): Some apps or websites might show video information like the codec used. This can help identify compatibility issues.
If you suspect a downloaded or transferred video might be causing problems, you can try:
- Converting the video: There are many online tools and apps that can convert videos to a format compatible with iPhones (like MP4).