: This model is common in European and Russian markets. You can search by your specific serial number on the TCL Support Page to find official USB update packages.
Plug the TV back in while continuing to hold the power button for about .
For the most secure and up-to-date firmware, it is best to use TCL's official update methods or local support portals: Download TCL L43D2930S Firmware part3 rar
While direct download links for from forum posts are often unreliable or dead, you can obtain the necessary software for the TP.MS6308.PB775 chassis used in this model through verified support channels or technical repositories . Official & Verified Sources
: Copy the firmware file to the root directory of the USB drive (do not put it in a folder). Insert and Boot : Power off the TV and unplug it. Insert the USB drive into the TV's USB port. Press and hold the physical power button on the TV panel. : This model is common in European and Russian markets
If you have obtained the firmware files (usually named Update.img or a .bin file), follow these steps to install them via USB: : Format a USB flash drive to FAT32 .
: The TV should display an "Upgrading" screen. Do not power off the TV until it restarts automatically (this usually takes 4–5 minutes). Online Update Method For the most secure and up-to-date firmware, it
If your TV still boots to the home screen, you can check for the latest official version without manual files: