Samsung GT-S5253 User Manual page 11

To install the SIM card and battery,
1
If the device is on, press and hold [
to turn it off.
2
Remove the back cover.
Be careful not to damage your fingernails when you
remove the back cover.
10
Assembling
3
] and select Yes
Insert the SIM card.
•
Place the SIM card into the device with the gold-
coloured contacts facing up.
•
If you do not insert a SIM card, you can only use
your device's non-network services and some
menus.
•
Do not insert a memory card into the SIM card
slot.