Copy the provided .bin or Update.img file to the root directory of the USB drive.
: Compressed files from unofficial sources may contain malicious software. How to Update TCL Tv by USB Download TCL LED40S4900 Firmware part3 rar
Instead of using unverified split .rar files, use these official methods to ensure your hardware isn't damaged: Copy the provided
Finding a specific "part3.rar" file for firmware typically indicates a split archive from a third-party site, which can be risky. Official TCL firmware is usually provided as a single .bin or .img file and is rarely hosted on public websites for direct download. Safe Methods to Update Your TCL TV Official TCL firmware is usually provided as a single
: Firmware varies by region and chassis version (e.g., RT51A). Installing the wrong version can cause panel errors or permanent damage.
: Use the built-in system update tool to download the latest software directly from TCL. Navigate to Settings > Device Preferences > About . Select System Update and then Network Update .
to request the specific firmware for your model and region. Format a USB drive to FAT32 .