: These are the model identifiers for the TV's mainboard. "PC821" typically refers to the specific hardware revision or chassis design.
: When replacing a mainboard, the firmware must match the specific screen (panel) resolution of the TV. Download MS338 PC821 1920x1080 Samsung part4 rar
This specific file, , is a component of a multi-part firmware archive for a television mainboard. The MS338 (often MStar-based) is a common universal LCD/LED TV control board used in various Samsung and generic brand smart TVs. What is this file? : These are the model identifiers for the TV's mainboard