A method for providing an IoT functionality to a device, the method comprising manufacturing the device by: providing a connectivity module with a register comprising data related to machine-to-machine (M2M) credentials and comprising: a unique client identifier (Client ID), an authentication identifier (Authentication ID) related to a unique pair of public/private encryption keys, a wireless client access point identifier (miniAP SSID) and a wireless encryption key (miniAP WPA, WPA2); providing a non-electronic label associated with the connectivity module and comprising the wireless client access point Identifier (miniAP SSID) and the wireless encryption key (miniAP WPA, WPA2); providing an electronic module having a device serial number (Device ID S/N); providing a non-electronic label associated with the electronic module and comprising an activation code unique for the device; assembling the device by connecting the electronic module with the connectivity module; and providing a package comprising the device and the non-electronic labels.