Newer versions often include "under-the-hood" optimizations that reduce system lag when navigating the Android TV interface.
While holding the power button, plug the TV back into the wall outlet.
Since specific hacked or modified firmware for the TCL L40S6500 is not publicly available in mainstream developer communities (and flashing unauthorized firmware risks permanently bricking the TV), the most "useful" post is one that helps users optimize the existing official software and hardware.
To ensure the "better" experience you're looking for, use the USB Local Update firmware tcl l40s6500 better
There is a fine line between "better" and "bricked."
This is the easiest method and requires only a working internet connection. Press the button on your TCL remote.
Press and hold the on the TV (not the remote) while plugging the power cord back in. Keep holding until the "Software Updating" screen appears. To ensure the "better" experience you're looking for,
If the TV fails to boot past the Android logo after an update, perform a hardware factory reset.
The most pragmatic way to achieve a "better" smart TV experience is to bypass the TV's internal firmware for smart functions entirely. A modern external streaming stick (Chromecast with Google TV, Amazon Fire Stick 4K, or Apple TV 4K) will have a faster processor, more frequent updates, and a cleaner interface. The TCL L40S6500 then functions solely as a display—its firmware only needs to manage basic inputs, which it does reliably.
Are you looking to fix a like Wi-Fi dropping, or do you just want faster menu speeds ? Keep holding until the "Software Updating" screen appears
Firmware updates often include optimizations for the launcher interface, reducing lag when scrolling through patches of apps.
When searching for firmware, the model number alone (L40S6500) is often not enough. You need to identify your TV's and mainboard version, as these determine which firmware is compatible.
Download the target RT41 firmware file from a trusted TCL community archive.
Upgrading the firmware on your TCL L40S6500 can bring several benefits, including:
If your TV is stuck in a bootloop, experiencing major software corruption, or cannot find the latest update over Wi-Fi, a manual flash via USB is the ultimate solution. Prerequisites How can I update the software of the TV? - TCL