Wifi - avanc/photOS GitHub Wiki

Multiple Wi-Fi Networks

If several Wi-Fi networks are configured, a priority can be added to wpa_supplicant.conf. The highest priority is chosen first.

network={
      ssid="YourSSID1"
      psk="YourPSK"
      priority=100
}
network={
      ssid="YourSSID2"
      psk="YourPSK"
      priority=99
}
network={
      ssid="YourSSID3"
      psk="YourPSK"
      priority=80
}

As an example, SSID1 might be a smartphone hotspot, SSID2 is the standard WIFI of the end user. If some settings need to be changed, the hotspot can be started and afterwards the photoframe rebooted.