: Use a USB 2.0 drive formatted to FAT32 .
: If your TV can still boot, go to Settings > Device Preferences > About > System Update to check for the latest official software over the network. Download MT56552 LF1V339 part02 rar
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) : Use a USB 2
While community sites like Telegram channels often host these specific chassis-based files, it is safer to check official channels: Because this is a multi-part archive, you must
: Use a tool like WinRAR or 7-Zip to extract "part01". It will automatically pull data from part02 and others to create a single .pkg , .bin , or Update.img file.
Installing the wrong firmware version for your specific panel (chassis) can result in a "bricked" TV or a flipped/distorted image. Always verify your chassis number (e.g., MT56552) matches the file exactly. How to Update TCL Tv by USB
If you are downloading this file for a manual update, follow these steps to ensure a successful flash: