Continue holding until you see an "Upgrading" bar or the power indicator starts flashing.

(or sometimes the CH+ button) on the TV panel, not the remote. While holding the button, plug the power cord back in.

Depending on whether your TV is currently functional or stuck on a logo (boot loop), use one of the following methods: Insert the USB drive into the TV's USB port.

To download and install the (specifically Part 02), you will typically need to locate the multi-part archive from technical forums or repository sites, as manufacturers often split large firmware files into several parts (e.g., .part01.rar, .part02.rar) for easier hosting. 📥 Downloading & Preparing the Files

Copy the extracted firmware file (usually named MstarUpgrade.bin or similar) directly to the of the USB (do not put it in a folder). 🛠 Installation Methods

main board is often found on technical repositories like KazmiElecom or specialized firmware forums. If you only have Part 02, you must find the matching Part 01 from the same source to successfully extract the data. How to update any Samsung TV's firmware using a USB drive

Navigate to > Settings > System > Software Update > By USB . The TV should detect the file and ask to begin the update. Method 2: Forced Flash (For Boot Loops/Black Screens) Power off the TV and unplug the power cord. Insert the USB drive into the TV's USB 2.0 port.