TCL has released several firmware updates for the L40S6500, including:
TCL provides several ways to update the firmware on the L40S6500: firmware tcl l40s6500
Go to Settings > Device Preferences > About > System update > Check for update. USB Method (Forced Update): TCL has released several firmware updates for the
Some versions include a ( upgrade_loader.pkg , V8-T*****.bin ) that auto-flashes when placed in a FAT32-formatted USB drive and inserted while the TV is powered off. firmware tcl l40s6500
: If you're unable to find the firmware on the TCL website, contact TCL's customer support directly. They can guide you through the process of finding and updating your TV's firmware.