Kindly reset factory data with backup then try to it's again. If you like please accept as a solution it's help to others users also,click on 3dots in my reply section and click on accept solution. Thanks.
As per your concern, we would request you to kindly perform the following steps to resolve your issue.
● Google have recently released a new August Google Mainline addressing Camera failed issue. you can easily install this update through the Google Play System Update option on their device.
● Here are the steps to follow: Go to Settings > Navigate to Security & Privacy > Select Update > Choose Google Play System Update. Finally, restart your device to complete the installation. This will ensure that your device is updated to the latest Mainline version.
In case the issue still occurs, please visit the service center for a physical inspection of your device. You can locate your nearest service center with this given link: https://www.samsung.com/in/support/service-center/
