Reset + clear then release “reset” then when [Test] flashes release “clear”
#replace /dev/tty.usbserial-AQ0087UG by the device connected screen /dev/tty.usbserial-AQ0087UG 9600
=> speed 115200
Ctrl+A k and reconnect screen with the correct baud rate
screen /dev/tty.usbserial-AQ0087UG 115200
You need something like lrzsz
do You have invoked the console download utility. Do you wish to continue? (Y/N)> Y [Enter] #Press ctrl-a :exec !! lsx -b -X /path/to/firmware
in the web interface → Troubleshooting > Port Mirroring