Thank you for sharing your concern. We acknowledge your query and apologize for the same. And please follow the easy troubleshooting steps which might help to solve the issue.
1: Check the physical condition of your camera lens. if the camera lens is broken or scratchy then please visit the nearest service centre.
2: Check camera lens cleaning: Please check there is no laminated or tempered glass pasted on the camera. Use a microfiber cloth or a cleaning wipe. Gently remove the fingerprint, dirt, and dust from the camera lens.
3: Reset camera settings: Camera >> Settings >> Reset Settings >> Tap on Reset
4: Check the device in safe mode: Power off the device>Press and hold the Power key for one or two seconds to turn on the device>>When the Samsung logo appears, press and hold the Volume down key.
Note: If your device functions correctly in Safe Mode, it is most likely that the issue lies with a 3rd party application that can be uninstalled to resolve the problem.
To exit the safe mode, restart the device.
5: Update device software: Settings >> Software update >> Download and install>>Check for software update >> If Software update available>>Download>>Downloading updates>>Install now. Note: Your phone will restart after the update is installed.
In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
Thank you for writing to Samsung. Warm regard, Samsung customer support
