The is not a complete TV model but the specific designation for the main controller board (motherboard). It's an "all-in-one" solution, integrating the main processing, power regulation, and display logic onto a single board. It was widely used across various TV brands, which explains why you might find it in a Samsung or a no-name brand.
Download the specific software binary designated for your brand and panel model. Once downloaded, extract the archive. Look for a core file typically named allinstall.bin or upgrade_5510s.bin . Copy this file directly to the of your FAT32 USB drive. Do not place it inside any folders. Step 2: Power Down the TV Tp.mt5510s.pb803 Firmware