: Format a USB flash drive to FAT32 . Copy the extracted firmware file to the root directory (not inside any folders). Initiate the Flash : Turn off the TV and unplug it from power. Insert the USB drive into the TV's USB port.

To download the software for the , you should first check the official TCL support channels, as they provide the safest and most compatible firmware files. Official Update Methods

Ensure the firmware you download is specifically for the 24E3500 . Installing the wrong software can permanently damage (brick) your TV. If you cannot find the file on the official site, you may need to check community databases like Scribd's TCL Software repository , but proceed with caution.

Release the button once the "Software Updating" screen appears.

Press and hold the on the TV (not the remote) while plugging the power cord back in.