This forum hosts large "Megapacks" of TV software. The HK-T.RT2968P61 board is listed in their Megapack soft 2024 - volum I . Technical Specifications for Matching
This is a well-known repository for TV firmware. A file named HK-T.RT2968P61.rar (314.3 MB) was archived on their channel lcd tv led tv smart tv software .
(specifically the "part01.rar" file) are primarily found on specialized TV repair and firmware technician forums. Because these files are often user-submitted "dumps" of internal memory, they are not hosted on official Elekta support pages. Recommended Download Sources
EMMC Dump (requires a programmer like RT809H or EasyJTAG to write directly to the chip). Accessing the Service Menu