There is a light horizontal line on top of the screen, as shown in the pic. It is a minor hardware issue, as advised by Samsung. Does not affect the working of the laptop. Specs as follows:

Samsung Galaxy Book Flex 13.3 Inch 8 GB Intel Core i5 10-Gen Ice Lake Processor, 512 GB SSD Laptop - Royal Silver (UK Version).

Aluminium 2-in-1 Body, FHD QLED Touch Display, Backlit Keyboard, S-pen, Fingerprint Reader, Win 11, Thundebolt 3, USB-C, Micro SD, Dual AKG, Powershare, Original Charger, 720p HD Camera