You cannot download firmware based on screen size alone. To get the correct file, you need your and Project ID . Method 1: Check the sticker on the back of your TV.
Method A: Local Update (For working TVs using OTA .zip files) link download tcl firmware for all models
Because TCL does not always publish historical IMG files on public web pages, the global developer community maintains archives: You cannot download firmware based on screen size alone
If prompted, follow the on-screen instructions to validate the update, and select . insert the USB
: Unplug the TV, insert the USB, hold the Power button on the TV, and plug it back in until the LED flashes.
The Ultimate Guide to Downloading TCL TV Firmware for All Models