How to get a production product onto customer’s WiFi?

[potatotron]

This is how you do it with the Photon

How to setup WiFi SSID and password for photon in softAP mode using HTTP webpage?

Other than running SoftAP for wifi setup (if you included in your application), the Photon has no web page to show details. You can implement a web server in your app to do that if you wish.