Rename the file to Update.bin (if required by your specific model instructions). Copy it to a FAT32-formatted USB drive.

The file is one segment of a multi-part compressed archive containing firmware for TCL Smart TVs (specifically models like the L43P6US, L50P6US, L55P6US, and L65P6US). This firmware is based on the MS6586 chassis. Key Firmware Details

If your TV is still functional, check for official updates via . Where to Find Support