How can I add a new number? Swype to the right on your subscription overview screen. Click on on <Add new number> and order a SIM or scan straight away the QR code on your SIM card. Back Related articles How can I activate my SIM card? Can I use the App independently of the SIM card (SIM in device 1, app on device 2)? How and when can I contact you? How long is my tariff valid for? Are you sure that the SIM card will fit into my smartphone?