[cancellato] leggendo dalle FAQ di Amazon, sembra che quando lo compri viene associato al tuo account, probabilmente con il codice seriale.
Quando poi lo colleghi alla corrente cerca di connettersi ad Internet, usando altri dispositivi compatibili come tramite, per scaricare le credenziali del WiFi.
Wifi simple setup can help you connect smart devices to your wifi network in fewer steps if you saved your wifi passwords to Amazon. If you purchased a supported device on Amazon.com and linked the device to your account during checkout, simply power it on and it will attempt to connect to your home wifi using your stored credentials.
Wifi simple setup uses a supported device with an internet connection – like an Echo Dot or eero Router – to create a simple setup network. Supported new devices can use this secure, low-bandwidth network to temporarily connect to the Amazon cloud and help you complete the device setup process in fewer steps.