Videos not playing on iPhone

Nothing happens when I click the play button on any of my videos. I tried deleting and redownloading the app three times and phone is up to date. Also volume is unmuted so I’m not sure what the problem is

None of the videos in Hooktheory I are working for me either. I can not figure out why. Can someone help with this?

Here I will provide you some effective tips to fix videos not playing on iPhone issues.
Tip 1. Check Your Internect Connection
Make sure you have a strong and reliable Internet connection. You can switch the internet to Wi-Fi if you are using the Cellular Data.
Tip 2. Reset Network Settings
Tip 3. Update or Reinstall the Hooktheory
Tip 4. Clear the Histroy and Data on Your Phone
Tip 5. Use TunesKit iOS System Recovery
If these 5 tips still not working, you can leave your vocie below and I will try my best to help you fix your problems.