Instead of using unverified split .rar files, use these official methods to ensure your hardware isn't damaged:
: 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 .
: If one part of a multi-part archive is missing or corrupt, the firmware will not install, or worse, could brick your TV . Download TCL LED40S4900 Firmware part3 rar
: Firmware varies by region and chassis version (e.g., RT51A). Installing the wrong version can cause panel errors or permanent damage.
Copy the provided .bin or Update.img file to the root directory of the USB drive. Instead of using unverified split
If an update is available, follow the on-screen prompts to install it.
: Compressed files from unofficial sources may contain malicious software. How to Update TCL Tv by USB : If one part of a multi-part archive
to request the specific firmware for your model and region. Format a USB drive to FAT32 .