Keep holding the power button until the screen displays an or "Installing System Update" progress bar.

Copy the file directly to the root directory of your FAT32 USB drive. Do not unzip it if it is an OTA package.

The TV will reboot and display an installation progress bar. Do not press any buttons.

Use this if your TV is "stuck" on an old version or if the network update says "up to date" even though a newer version exists online. Prepare a USB Drive : Use a drive formatted to Get the File : Download the firmware (usually a Update.img file) from the official TCL Support site or by contacting their after-sales team : Copy the file directly to the root directory of the USB (don't put it in a folder). Force Update Power off the TV and insert the USB. Press and hold the physical power button

: Some variations of the S6500 series run on this platform, which has seen updates as recent as Version 127

To prepare for a firmware update on your (an Android TV model), you can choose between a standard wireless update or a manual USB installation. Method 1: Wireless (Network) Update This is the safest and easiest method for the TCL L43S6500 Home Screen : Press the Home button on your remote.

Before downloading any file, you must know the exact build number installed on your L43S6500. Installing the wrong firmware can brick the device.

Connect the TV directly to a stable Wi-Fi or Ethernet network. Press on your remote and navigate to Settings .

Uninterrupted power is critical. A power outage during a firmware flash will ruin the TV mainboard. Step-by-Step Installation Guide Method 1: The USB Local Upgrade (For Working TVs)

the firmware file to the root directory of your formatted USB drive. Insert the USB drive into the USB port on your TV.

For many users, the search for "Firmware TCL L43S6500" begins when their TV becomes stuck in a "boot loop". The Symptom

the television completely and unplug the power cord from the wall outlet.

Note: Ensure the product info matches V8 software, commonly found for this series 1.2.2 .