The file is a specific firmware part for TCL Smart TVs (often associated with the MS08B chassis). Because this is a multi-part archive, you must download all parts (e.g., part01, part02, etc.) and keep them in the same folder before extracting . How to Install Firmware (USB Method)
: Once the progress bar hits 100%, the TV will restart automatically. Do not remove the USB drive until the TV has fully rebooted into the home screen. Finding Official Downloads Download MT56552 LF1V339 part02 rar
While community sites like Telegram channels often host these specific chassis-based files, it is safer to check official channels: The file is a specific firmware part for