How to setup oem_config use serial?

Hi,all:
when i flashed my nx module , because of no display monitor, i want to use serial to complete system configuration. When i startup module, it show

Please complete system configuration setup on desktop to proceed...

i used commandsudo minicom -D /dev/ttyACM0, but it make no difference. And i have used it successfully before and that time the log is show

Please complete system configuration setup on the serial port provided by Jetson's
USB device mode connection.  e.g. /dev/ttyACMx where x can 0, 1, 2 etc.

So what should i do? The log will show it

Please complete system configuration setup on the serial port provided by Jetson's
USB device mode connection.  e.g. /dev/ttyACMx where x can 0, 1, 2 etc.

Thank you.

hello ultwcz1997,

please refer to developer guide, Skipping oem-config, please execute l4t_create_default_user.sh before you flash the target to make the first-time boot process skip it.
for example, $ l4t_create_default_user.sh -u nvidia -p nvidia -a ‑‑accept-license

OK, i will try it.

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