If you're using a video recording app other than Samsung's default, please share which one you use. Additionally, when recording in 4K 30FPS with the default app, the video quality diminishes when zooming more than 2x.
As per your query, we request you kindly share the log file. Also, share video clips and images for better understanding. This will help us to further investigate and resolve this issue.
Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
Note: To ensure relevant log information is included in the error report, submit the report within 3 minutes of encountering the bug or error, and do not terminate (swipe away) the Samsung Members application until you are notified that the report has been sent. This can take up to 5 minutes.
