Firmware Tcl L43s6500 !!exclusive!! Page

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

Keep holding the power button until the LED indicator starts flashing or a software upgrade progress bar appears on the screen. Firmware TCL L43S6500

Release the button and wait for the process to hit 100%. The TV will reboot automatically when finished. Release the button and wait for the process to hit 100%

If your television still boots and connects to the internet, use the built-in update mechanism. This is the safest method. Connect your TV to a stable Wi-Fi or Ethernet network. Press the (gear icon) button on your remote. Navigate to Device Preferences > About . Select System Update and then choose Network Update . This is the safest method