Downloading "rar" parts (like part3.rar ) from unofficial sources for mainboard firmware carries significant risks. How to Update Sony TV Firmware with USB Drive

Supports a maximum resolution of 1920x1080 (Full HD).

, firmware and software updates are strictly provided by Sony to ensure stability and compatibility.

is a highly integrated "three-in-one" board that combines the power supply, LED driver, and TV signal processing.

Official software support for this model is scheduled to terminate on September 30, 2025 . Warning on Third-Party "rar" Files

Features multiple interfaces including HDMI , USB , RJ45 (LAN) for network connectivity, and CVBS.

You can find the latest official firmware and manuals on the Sony Support Asia Pacific page.