If the display remains incorrect after installation, you can use a small patch file via the "Import/Export" option in the Service Menu to specifically change the resolution without a full firmware re-flash. Troubleshooting
Always back up your original firmware using a tool like the RT809F programmer before attempting an update. Download MS338 PB801 1366x768 REF40 part4 rar
Do not turn off the power during this process to avoid "bricking" the board. If the display remains incorrect after installation, you
This specific firmware is tailored for 1366x768 (HD Ready) displays. This specific firmware is tailored for 1366x768 (HD
The is a common Android-based "combo" motherboard used in various 42-inch and other Smart LED TVs. Users often search for specific firmware files, such as "MS338 PB801 1366x768 REF40 part4.rar," to resolve issues like the "logo hang" problem, display resolution mismatches, or system restarts. Key Specifications and Use Cases