Basics13SIM or USIM cardInstalling 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.• Only microSIM cards work with the device.• Some LTE services may not be available depending on the service provider. Formore information about service availability, contact your service provider.1 Remove the back cover and battery.2 Insert the SIM or USIM card with the gold-coloured contacts facing downwards.Insert the primary SIM or USIM card into SIM card slot 1 ( 1 ) and the secondary SIM orUSIM card into SIM card slot 2 ( 2 ).12Do not insert a memory card into the SIM card slot. If a memory card happens to belodged in the SIM card slot, take the device to a Samsung Service Centre to removethe memory card.3 Replace the battery and back cover.