Search for "CV338H-T50 3840x2160 Starlight firmware" on specialized forums like Lab-One Inside or electronic repair communities.

To download and extract the firmware (specifically the "Starlight" version for 4K 3840x2160 resolution), follow this guide for handling multi-part archives and preparing the software for your smart board. 1. Download All Required Parts

Ensure all files (e.g., part1.rar , part2.rar , and your specific part3.rar ) are saved in the on your PC. 2. Extract the Firmware

The file you are looking for is part of a "split archive." For the firmware to extract correctly, you of the series (Part 1, Part 2, and Part 3).

You cannot extract Part 3 by itself; you must use a tool that recognizes the entire set.