The firmware of the TCL L43S6500 comes with several features that enhance the user's experience. Some of these features include:
Sometimes, checking system parameters or resetting image alignments requires accessing the developer service menu. You can do this by using secret remote codes. 42.5" TCL L43S6500 - Specifications - DisplaySpecifications Firmware TCL L43S6500
Drag the .zip file directly to the root of the USB (not inside any folder). The firmware of the TCL L43S6500 comes with