Files hosted on social media groups (like Facebook's TV solutions groups ) are generally community-sourced "dumps" rather than official manufacturer updates. Use them only if your TV is already non-functional or "stuck" in a boot loop or aging mode. Recommended Steps
Firmware for these universal boards is highly specific to the panel type and resolution. Using the wrong file (e.g., 1080p firmware on a 768p screen) can "brick" your TV, making it unbootable. Download P75 338V6 1366x768 Major part3 rar
This specific file is labeled for 1366x768 , which is the standard resolution for 32-inch non-Full HD televisions. Files hosted on social media groups (like Facebook's