Sorry to hear that, about your experience with your Samsung Galaxy device having persistent issues with camera showing camera failed and we apologized for the inconvenience it caused you.
Tap the Settings icon again, and then swipe to and tap About Camera. Check if any updates are available; tap Update if one is available.
If there are no updates available, your screen will read "The latest version is already installed."
Step 4. Check your Camera access settings.
The Camera may not work if it hasn't been given the correct permissions. Navigate to and open your phone's Settings, then tap Security and privacy. Tap Privacy, and then tap the switch next to "Camera access" to turn it on.
For more assistance and guidance, you may contact us on our online Samsung Customer Care support channels below.