Samsung SM-A300FU User Manual page 11

Getting started
3
Place the SIM or USIM card on the SIM card tray with the gold-coloured contacts facing
downwards.
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.
4
Insert the SIM card tray back into the SIM card tray slot.
11