The major camera-improving update for the Galaxy S23 series released by Samsung in South Korea last week and Europe a few days ago is now seeding in India. Albeit only for the Samsung Galaxy S23 Ultra at the moment. The update comes with firmware version S918BXXU1AWC8 and weighs about 930MB in size. Its changelog doesn't mention anything about improvements to the Galaxy S23 Ultra's camera, but Samsung detailed those last week, so we know what to expect. And in case you are unaware, you can check the image below to see what camera improvements and fixes the update brings to the Galaxy...
Source: https://www.gsmarena.com/samsung_galaxy_s23_ultra_camera_improvements_april_2023_update_india-news-58143.php