: Copy the firmware file directly to the root directory of the USB drive. Do not put it inside a folder. Flash the Board : Unplug the TV from power.
If by “paper” you mean :
Because "KKRV22818" is often a chipset identifier rather than a consumer-facing brand name, finding the driver can be tricky. Do not download random ".exe" files from unverified blogs. kkrv22818 software download install