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
Smart TV . This file appears to be one segment (part 8) of a larger firmware package designed for the chassis. Official and Safe Acquisition Download RT2861V09 3840x2160 16G Kivi 49UP50GU part08 rar
Ensure you have the exact match for your model and screen resolution ( If your model isn't listed or you have
Format a USB drive to FAT32 and copy the extracted file to the root directory. 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.