VIM4 flashing Android OS using external USB storage

Which version of system do you use? Khadas official images, self built images, or others?

Custom Android 11 OS image.

Please describe your issue below:

How to flash an image using an external USB storage? If we write an Android image into USB stick and connect it to VIM4 device, how to flash it from there?

@mbakshi At present, the Amlogic platform does not support the U disk startup function. Please note that.