Large firmware files are often split into multiple compressed segments (Part 1, Part 2, etc.) for easier downloading from forums or file-sharing sites like Kazmi Elecom . You must download all parts into the same folder before extracting to ensure the full software image is reconstructed correctly. Installation Guide Format USB Drive: Use a FAT32-formatted USB flash drive.
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 Download MS338 PB801 1366x768 REF40 part4 rar
If the TV continues to restart, you may need to perform an EMMC software update instead of the standard USB method. Large firmware files are often split into multiple
Always back up your original firmware using a tool like the RT809F programmer before attempting an update. If the display remains incorrect after installation, you
This specific firmware is tailored for 1366x768 (HD Ready) displays.