A. 1. Check camera permissions: Go to Settings > Apps > Knowledge is Power > Permissions and ensure the camera permission is enabled. 2. Restart the app: Close the app completely and reopen it to see if the camera functionality improves. 3. Test the camera outside the app: Open your device's camera app to ensure the camera is functioning properly. If it doesn't work, there may be a hardware issue.

B. 4. Update your device's software: Go to Settings > System > Software Update and check for any available updates. Keeping your device updated can resolve compatibility issues.