Likely refers to a specific hardware revision or panel reference configuration required for the firmware to display colors and orientation correctly.
This indicates the full firmware was split into multiple compressed parts (likely 10 or more) to stay within file hosting size limits. You must download every part (part01, part02, etc.) and place them in the same folder to extract the final .bin or .img file. Where to Find the Software Download MS338 PB819 1366x768 REF30 part09 rar
Copy the extracted file (usually named allupgrade_ms338_4G_sos.bin or similar) to the root of the USB. Likely refers to a specific hardware revision or
Firmware for these boards is typically hosted on specialized TV technician forums or shared via Google Drive links from repair communities: Where to Find the Software Copy the extracted
Often contains eMMC Pinouts and dump files for deep hardware recovery.
Use WinRAR or 7-Zip to extract "Part 01"; it will automatically pull data from Part 09 and other pieces to create one single firmware file.