Basics12SIM or USIM card (nano-SIM card)Installing the SIM or USIM cardInsert the SIM or USIM card provided by the mobile telephone service provider.Use caution not to lose or let others use the SIM or USIM card. Samsung is notresponsible for any damages or inconveniences caused by lost or stolen cards.• Use only a nano-SIM card.• Some LTE services may not be available depending on the service provider. Formore information about service availability, contact your service provider.1 Insert the ejection pin into the hole on the SIM card tray to loosen the tray.Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device maybe damaged.