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).
Do you have the of your KIVI TV to verify if this is the correct version for your specific hardware? Software - KIVI Download RT2861V09 3840x2160 16G Kivi 49UP50GU part08 rar
If your model isn't listed or you have trouble with the serial number, you can Submit a Service Request directly to KIVI. Common Firmware Installation Steps All parts (part01, part02, etc
Format a USB drive to FAT32 and copy the extracted file to the root directory. Software - KIVI If your model isn't listed
Ensure you have the exact match for your model and screen resolution (
Searching for the specific file name suggests you are looking for a multi-part firmware archive for a KIVI 49UP50GU