: If your TV cannot connect to the internet, you must obtain the official firmware from TCL support.
: If one part of a multi-part archive is missing or corrupt, the firmware will not install, or worse, could brick your TV .
to request the specific firmware for your model and region. Format a USB drive to FAT32 .
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