Download Rt2861v09 3840x2160 16g Kivi 49up50gu Part08 Rar -
All parts (part01, part02, etc.) must be in the same folder. Extracting part01 will usually combine them into a single file (often named MstarUpgrade.bin or similar).
Searching for the specific file name suggests you are looking for a multi-part firmware archive for a KIVI 49UP50GU Download RT2861V09 3840x2160 16G Kivi 49UP50GU part08 rar
With the TV off, insert the USB. Hold the physical power button on the TV and plug it into power. Release the button when the update screen or LED blinks appear. All parts (part01, part02, etc
Smart TV . This file appears to be one segment (part 8) of a larger firmware package designed for the chassis. Official and Safe Acquisition Hold the physical power button on the TV
Use the KIVI Software Support Page where you can enter your TV's serial number (found on the back of the device) to receive the exact, validated firmware for your specific model.