Obtain the correct .bin or .img firmware file for your specific model by contacting TCL Support or checking their Legacy Models page. Format a USB drive to .
Insert the USB into the TV, power it off, then hold the physical power button for about 10 seconds while powering it back on to trigger the automatic upgrade. Software Upgrade - TCL USA
Extract the downloaded .rar file and copy the firmware file (e.g., update.img or rom.bin ) to the of the USB drive.
is a legacy model, firmware files (often in .rar or .zip format) may not be publicly listed on all support pages and may require contacting technical support. Official Update Methods
