Once you have the extracted firmware file (typically named MstarUpgrade.bin or similar), follow these steps to install it:
Enter your TV's Serial Number (found on the back panel of the TV) to ensure the software matches your hardware revision. Download RT2851V09 3840x2160 Kivi 55U730GU part08 rar
: The process can take 5–15 minutes. Do not power off or unplug the TV during this time, as it can permanently damage the mainboard. Once you have the extracted firmware file (typically
The firmware for the mainboard is typically distributed in multiple compressed parts (such as .rar part01 through part08) due to its large size. To successfully update or repair your TV using these files, you must download all parts into a single folder and extract them together to obtain the final .bin or .img firmware file. How to Obtain Official Software The firmware for the mainboard is typically distributed
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.