download any camera app from playstore and check if work normally - take backup and reset phone if not work - problem with camera or other hardware (visit nearest service center)
Thank you for being with Samsung and sharing your concern. We would like to offer some troubleshooting steps to overcome the issue: 1) Navigate to Settings >> Apps >> Tap on More >> Reset App Preferences. 2) Check the issue in Safe Mode. 3) Keep updating the device via FOTA or Smart Switch. 4) Take full data backup and reset the device. Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
