Make sure you are using a qualified technician for firmware flashing (eMMC/USB) as incorrect files can brick the TV.
Ensure the total size matches the original post, as a missing part (like part14) will cause an extraction error. 3. Alternative Locations If a specific site is down, search for: HK.T.RT2851V09 firmware Kivi 55U730GU RT2851V09 EMMC dump Download RT2851V09 3840x2160 Kivi 55U730GU part14 rar
Such files are usually packed as part1.rar through partN.rar . You must download all parts (including part14) and place them in the same folder. Make sure you are using a qualified technician