This motherboard is designed to support smart TV features and legacy inputs in one unit: TP.MS338.PB802 USB UPDATE ABLE ... - Facebook
: The .rar extension indicates a compressed archive. The "part5" designation suggests the full firmware is split into multiple smaller volumes for easier downloading. Core Technical Specifications Download MS338 PB802 1920x1080 Samsung 4GB 512MB part5 rar
The string refers to a specific firmware update file for the TP.MS338.PB802 smart TV motherboard. This hardware is a universal Android-based "three-in-one" board commonly used in various Chinese-manufactured LED TVs. Hardware & Firmware Profile Motherboard Model : TP.MS338.PB802 (Android 4.4 platform). This motherboard is designed to support smart TV