: 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
: 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 . Download TCL L43D2930S Firmware part3 rar
If your TV still boots to the home screen, you can check for the latest official version without manual files:
: 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. : The TV should display an "Upgrading" screen
Navigate to > Device Preferences > About > System Update > Network Update .
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 . You can search by your specific serial number
: A verified USB firmware package for the TCL LED43D2930 (Chassis TP.MS6308.PB775) is available on KenotronTV . Note that this site often requires registration or a technician account to download full dumps. Manual Update Procedure