Copy the file directly to the root directory of your USB drive (not inside any folders). Phase 2: The Installation Process
Firmware updates can improve the performance, stability, and functionality of your TV. They may also add new features, fix bugs, and enhance security. Here are some general steps to check and update the firmware on your TCL L40S6500: firmware tcl l40s6500 better
为了让你更直观地选择合适的方案，下表是两种方式的直接对比： Copy the file directly to the root directory