Front camera issue

Check you lens for dust or debris and make sure the subjects are at appropriate distance from the camera.

Check your camera foe anyphysical damages

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your query, we would request you to kindly perform the following steps to resolve your issue.

Reset the camera settings: Home screen tap on Camera>Settings>Reset settings>Reset.
Clear camera application data: Apps>Camera>Storage>Clear Data
Check app cache: Settings > Apps > Camera> Storage > Clear Cache.

Update the software if available: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-update-software/

Reset your device: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-mobile-how-to-perform-a-factory-reset/

If the issue persists, kindly report the problems with a log file. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).

Warm Regards,
Samsung Customer Support