Getting started102 ► Dual SIM models: Insert the SIM or USIM card with the gold-coloured contacts facingdownwards.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 ).12► Single SIM models: Insert the SIM or USIM card with the gold-coloured contactsfacing downwards.• Do not insert a memory card into the SIM card slot. If a memory card happens tobe lodged in the SIM card slot, take the device to a Samsung Service Centre toremove the memory card.• 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.