Navigate to > Device Preferences > About > System Update > Network Update .
: 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 Download TCL L43D2930S Firmware part3 rar
For the most secure and up-to-date firmware, it is best to use TCL's official update methods or local support portals: Navigate to > Device Preferences > About >
: 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 Download TCL L43D2930S Firmware part3 rar