6.10.3 fw-upgrade binarypath FILE

It configures the location in the file system of the firmware upgrade binary file (preferably on /etc/config - CONFIG_DIR):
fw-upgrade binarypath /etc/config/firmwareS14.03.02.bin
CAUTION: The binary file MUST exist, so it MUST be transferred to the local path before being used (through any mechanism like SCP, TFTP, FTP, USB Flash Disk...).