It's my steps. A. I done power off of device i mean i removed power cable and switched button from "on" to "off". Two. I connected a power cable. Three. I pressed and hold that function button. 4. I switched power button from "off" to "on".
I have seen flashing function. Five. I pressed button of fuction again and i have seen flashing "power" and "fuction" together. The ip of device was reset but admin password didn't reset still.