operating system with the TCL TV+ 3.x UI. Maintaining updated firmware is essential for security patches, bug fixes, and performance improvements. Firmware Update Methods There are two primary ways to update the firmware on the TCL L40S6500 1. Network Update (OTA)

Navigate to Support > Firmware/Software > Type L40S6500 . If no file appears, your TV might be designed to update only via the internet (Settings > System > System Update).

The “L40S6500” is the primary model number, but TCL often has sub-variants based on the manufacturing date and target continent. Before you search for the , locate the sticker on the back of your television. Look for the following: