Samsung SM-A310M User Manual page 13

Basics
3
► Single SIM models: Place the SIM or USIM card on the SIM card tray with the gold-
colored contacts facing downwards.
► Dual SIM models: Place the SIM or USIM card on the SIM card tray with the gold-
colored contacts facing downwards.
Place the primary SIM or USIM card on the SIM card tray 1 (
USIM card on the SIM card tray 2 (
Use caution not to lose or let others use the SIM or USIM card. Samsung is not
responsible for any damages or inconveniences caused by lost or stolen cards.
Dual SIM models: The SIM card tray 2 also serves as the memory card tray. However,
you cannot place both the SIM or USIM card and the memory card at the same time.
4
Insert the SIM card tray back into the SIM card tray slot.
Carefully insert the SIM card tray to prevent the SIM cards from leaving or falling out
of the tray.
).
2
2
1
13
) and the secondary SIM or
1