Samsung SM-G550FY User Manual page 17

Basics
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 (
USIM card into SIM card slot 2 (
Do not insert a memory card into the SIM card slot. If a memory card happens to be
lodged in the SIM card slot, take the device to a Samsung Service Centre to remove
the memory card.
3
Replace the battery and back cover.
Ensure that the back cover is closed tightly.
Removing the SIM or USIM card
1
Remove the back cover and battery.
2
Pull out the SIM or USIM card.
).
2
17
) and the secondary SIM or
1
1
2