: If one part of a multi-part archive is missing or corrupt, the firmware will not install, or worse, could brick your TV .
Copy the provided .bin or Update.img file to the root directory of the USB drive. Download TCL LED40S4900 Firmware part3 rar
Using files like "part3.rar" from unofficial forums or file-sharing sites is dangerous for several reasons: : If one part of a multi-part archive
: 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 . Navigate to Settings > Device Preferences > About
: Compressed files from unofficial sources may contain malicious software. How to Update TCL Tv by USB
: If your TV cannot connect to the internet, you must obtain the official firmware from TCL support.
to request the specific firmware for your model and region. Format a USB drive to FAT32 .