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 Download TCL LED40S4900 Firmware part3 rar
Insert the USB into the TV and navigate to > System Update > Local Update . Risks of Third-Party Firmware If an update is available, follow the on-screen
: If one part of a multi-part archive is missing or corrupt, the firmware will not install, or worse, could brick your TV . If an update is available
Copy the provided .bin or Update.img file to the root directory of the USB drive.
to request the specific firmware for your model and region. Format a USB drive to FAT32 .