Press and hold the physical located on the bottom or back of the TV casing (do not use the remote).
While holding the button, plug the power cord back into the wall. Firmware TCL L43S6500
Keep holding the power button until the LED indicator starts flashing or a software upgrade progress bar appears on the screen. Press and hold the physical located on the
Release the button and wait for the process to hit 100%. The TV will reboot automatically when finished. won't turn on fully
If your TV is frozen, won't turn on fully, or the network update fails, you must flash the firmware manually. Get a USB flash drive (formatted to FAT32 ).