thx. But station wlan0 seems not be ready at this point of time:
hiddenSSID.service - Hidden SSID Connect Service
Loaded: loaded (/storage/.config/system.d/hiddenSSID.service; enabled; pres
Active: failed (Result: exit-code) since Thu 2023-02-16 19:11:08 CET; 1 mon
Process: 490 ExecStart=/usr/bin/iwctl --passphrase xxxx station wlan0
Main PID: 490 (code=exited, status=1/FAILURE)
CPU: 63ms
Feb 16 19:11:07 LibreELEC-2 systemd[1]: Starting hiddenSSID.service...
Feb 16 19:11:07 LibreELEC-2 iwctl[490]: Device wlan0 not found.
Feb 16 19:11:07 LibreELEC-2 iwctl[490]: No station on device: 'wlan0'
Feb 16 19:11:08 LibreELEC-2 systemd[1]: hiddenSSID.service: Main process exited,
Feb 16 19:11:08 LibreELEC-2 systemd[1]: hiddenSSID.service: Failed with result '
Feb 16 19:11:08 LibreELEC-2 systemd[1]: Failed to start hiddenSSID.service.
Any further hint?