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The most reliable way to get the correct firmware for your specific device is through the . Step 1: Select your TV model () from the dropdown menu.
Once you have the extracted firmware file (typically named MstarUpgrade.bin or similar), follow these steps to install it: Download RT2851V09 3840x2160 Kivi 55U730GU part08 rar
: Use a drive formatted to FAT32 . Copy the extracted firmware file directly to the root directory (do not put it inside a folder). Connect and Initiate : Power off the TV and unplug it from the wall. Insert the USB drive into the USB 2.0 port . Plug the TV back in. The most reliable way to get the correct
: Press and hold the Power button on the TV (not the remote) for 5–10 seconds until the standby LED begins to blink rapidly, indicating the update has started. Copy the extracted firmware file directly to the