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.
Place the extracted file directly onto the root directory of the USB drive; do not put it inside a folder. Installation Process: Unplug the TV from the power outlet. Insert the USB drive into the TV's USB port. Download TCL 32D12 Software rar
Use a USB flash drive formatted to FAT32 . Use a utility like WinRAR or 7-Zip on
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 Insert the USB drive into the TV's USB port
Wait for the process to complete; the TV will restart automatically. Alternative: Network Update