: If one part of a multi-part archive is missing or corrupt, the firmware will not install, or worse, could brick your TV .
: Compressed files from unofficial sources may contain malicious software. How to Update TCL Tv by USB 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
Insert the USB into the TV and navigate to > System Update > Local Update . Risks of Third-Party Firmware the firmware will not install
: If your TV cannot connect to the internet, you must obtain the official firmware from TCL support.
Instead of using unverified split .rar files, use these official methods to ensure your hardware isn't damaged: