Flash firmware by using Uboot

Hi every one,

I have one FIT image with this setup:
IMAGE/sysupgrade.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-rootfs | pad-rootfs | append-metadata

after build it. I have one .bin file.
How can I flash it by using uboot.
(I can't use sysupgrade now)

Please help me. thank you very much

Set the IP address of your Network Adapter to and the Subnet mask to

Open your browser and enter

Hi, I want to flash by using u-boot command line, not browser.

Could anyone help me please