5 Solutions for Fixing Videos Not Playing on iPhone
Have you ever encountered videos not playing on iPhone? When you have prepared your content and are about to experience it on your phone's high-resolution screen, you encounter this error window. This problem is so irritating. Is the problem with the video or the device? What can be done to fix it?
We are committed to helping you solve this problem. There are five possible solutions in total, and two of the best third-party tools will be recommended here. We're confident that the guide here will help you get your video back to normal quickly.

Part 1. Convert Unsupported Video Formats
The most likely reason for the video not being read, as well as played, is that your file format is not compatible with the iPhone. Please note that the iPhone currently supports video formats, including MP4, MP3, MPEG-4, MOV, AAC, M4A, and so on. The codec used for your video can be H.264 or H.265.
If the video you want to open is not in the above formats, you may face videos in photos not playing on an iPhone issue.
Please convert the file to a compatible format first. To complete this step, you may need a professional format converter. We recommend FVC Video Converter Ultimate. It supports up to a thousand multimedia formats. With the support of the hardware acceleration feature, you can convert any files that are not compatible with the iPhone at 30X faster speed. Preview and editing features are also loaded on the platform. You can crop, merge, rotate the video as you like, or add text, watermarks, filters, etc. after the conversion is done.
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Here is how to convert videos with FVC Video Converter Ultimate.
Step 1. Download and install FVC Video Converter Ultimate on your computer. Click Add Files to upload your target video.

Step 2. Click Convert All to and expand the drop-down list. Choose a format compatible with the iPhone, such as MP4.

Step 3. Go back to the main interface. Select the uploaded video. Finally, click Convert All.

Part 2. Repair Corrupted Videos
Format mismatch may prevent the iPhone from playing the video. But if you find iPhone videos not playing on PC and changing multiple players doesn't solve the problem, then it means there is something wrong with the video. Your files are likely to be corrupted during shooting, storage, or transmission.
We have prepared a solution for this situation as well. FVC Video Repair will fix your corrupted videos in any scenario. All you need to do is upload a sample video that meets the requirements. The platform will use the latest AI algorithms to restore the normal picture. The super easy-to-use steps and extremely high success rate make it a trusted product for many users.
Free DownloadFor Windows 7 or laterSecure Download
Free DownloadFor MacOS 10.7 or laterSecure Download
Here is how to fix broken iPhone videos with FVC Video Repair.
Step 1. Transfer your broken video to the computer. Download and install FVC Video Repair on your device.
Step 2. Click the red plus button to add the broken video. Click the purple plus button to add the sample video.

The sample video needs to be in the same format as the damaged video, and the closer the parameters are, the better. Preferably, both should be from the same device or platform.
Step 3. Click Repair to start fixing.

After repairing, you can click Preview to check the fixed video. Finally, click Save.

Part 3. Check Internet Connection
HDR video not playing on iPhone problem is not unique to playing local videos. People have reported that when watching videos from online platforms such as YouTube, TikTok, Instagram, etc. via iPhone, they also often encounter playback failures.
This may be due to the fact that the network you are currently connected to is not stable enough for the online video to be fully loaded. You can check if your phone is connected to a stable WiFi or data network. Then, try disconnecting from the network and reconnecting. After that, try to play the video again.
If the videos on YouTube are not playing on the iPhone, the problem is still not solved; try a different network connection.
Part 4. Force Quit the Video App
If you find that the iPhone is not playing sound on videos, or the videos are intermittent, consider that there is an error in the iPhone video player or app for an unknown reason. At this point, restarting it is the fastest option.
You can start by pressing the option to go back to the Home page twice until multiple windows appear showing the application you are running. Find the video app and swipe it to turn off the app. Then, reopen it and try playing the video again.
Part 5. Update Outdated iOS Version
Troubleshooting network, video, and app issues, there is another one that causes camera roll videos not to play on iPhone, which is something we should be aware of. If your device hasn't been updated to the latest version of the system, then it may have occasional bugs that can affect your normal usage.
You can head over to the Settings app on your iPhone and check if there is a new system version available. If there is, follow the instructions to complete the download and update.
Part 6. FAQs of Videos Not Playing on iPhone
Why does my iPhone not play sound on videos?
It may be because the audio in the video file contains codecs that the iPhone does not support. You can convert the file audio codec or format, for example, from WMA to MP3 , AAC, or other popular formats.
Why is my iPhone not playing videos in the background?
This problem can occur when the iPhone is low on power or when too many programs are running in the background. You can fully charge your device and then turn off the running apps. Don't forget to check if your phone has a Bluetooth headset connected.
Why is my iPhone unable to load videos?
Try restarting your device and then replacing it with a different network connection. Doing this can help you with some system errors and other issues.
Conclusion
There are many solutions to the problem of videos not playing on iPhones . Starting from the video, you can try to convert the format and repair the corrupted video; starting from the device, you can force restart the iPhone and then change the internet connection. If you are using a video app, restart it to see if the problem is solved.