Samsung GT-I5800 Quick Start Manual page 8

To install the SIM or USIM card and battery,
1
If the device is on, press and hold [
off to turn it off.
2
Remove the back cover.
Be careful not to damage your fingernails when you
remove the back cover.
8
Assembling
3
] and select Power
Insert the SIM or USIM card.
•
Place the SIM or USIM card into the device with
the gold-coloured contacts facing up.
•
If you do not insert a SIM or USIM 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.