Use a utility like WinRAR or 7-Zip on your computer to extract the actual firmware file (e.g., Update.img or a .bin file) from the .rar archive.
To download the software for a TCL 32D12, it is recommended to obtain official firmware directly from the TCL Support Page or contact their after-sales team to ensure the file is specific to your model. Firmware for TCL TVs is often distributed as .bin or .img files, sometimes compressed into .rar or .zip archives. How to Update via USB Download TCL 32D12 Software rar
While holding the button, plug the TV back in. Continue holding until the update progress screen appears. Use a utility like WinRAR or 7-Zip on