Hello @GAZZZ6
I didn't realize you are looking for an UIFlow solution.
UIFlow has a configuration flag which allows to connect via modem instead of WiFi. However that option only seems to be implemented for M5Stack devices with can stack COM.X modules.
0_1693840640787_UIFlowConfigCOMX_20230904.png
I've tried to enable that option for M5Station, but it is ignored and the connection goes through WiFi still.
Thanks
Felix