Samsung GH68-06484A Owner's Manual page 19

Getting started
3. Slide the SIM card into the SIM card socket, as
shown, so that the card locks into position.
Make sure that the gold-coloured contacts of the
card face down into the phone.
Note: When you need to remove the SIM card,
slide it upward, as shown, and take it out of
the socket.
4. Place the battery so that the tabs on the end
align with the slots at the bottom of the phone.
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