Navigate to > Device Preferences > About > System Update > Network Update .
If your TV still boots to the home screen, you can check for the latest official version without manual files: Download TCL L43D2930S Firmware part3 rar
: 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 Navigate to > Device Preferences > About >
: 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. Online Update Method : This model is common
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 .
Plug the TV back in while continuing to hold the power button for about .