Orange Pi 4 (RK3399) doesn't boot

Hi guys, I am using Orange Pi 4 (RK3399) and put in a SD card Armbian buster (and other time bionic) from the official web site but nothing happens. I have tried so many times using dd command from my debian OS and windows tools to write image on SD card but nothing again. When I start the board with Android the SD card could be read by android, but when I reboot just the red led shines and the screen of monitor doesn't show nothing. I would like some help bec

You need a USB-TTL Serial dongle plugged on the 3 pins Debug header of the OPi4 board. On your computer where you attached the dongle, you run terminal software such as "picocom" with baudrate set at 1500000 baud. You will then see the log when powering the board. If this Android U-Boot allows to stop booting using <spacebar> pressed several times during early boot and comes to a command prompt, you can then do "mmc list" to see the list of bootable devices, you can then select the SD