: A technical forum that provides an eMMC dump for the Kodama 50M38 which uses the same chassis (TP.MS338.PC821) and resolution. TP.MS338.PC821 eMMC Dump - KenotronTV Installation Tips

: For USB-updatable versions, copy the .bin file to the root of a FAT32-formatted USB drive, plug it into the TV, and power it on while holding the power button (or via the system menu).

: Provides the software for the TP.MS338.PC821 board, including specific Nikai 1920x1080 versions. Note that large files are often split into multiple parts (e.g., Part 1, Part 2, Part 3); you must download all parts into the same folder and extract the first one to get the complete file. TP.MS338.PC821 Software - Receiver Pro

: To access the service settings on this board, use the remote code Menu + 1147 .

You can download the firmware and eMMC dump files for the motherboard with 1920x1080 resolution from several specialized firmware repositories. Primary Download Sources