Samsung Galaxy S II Galaxy S II T989 User Manual page 19

Be careful not to damage your fingernails when you
remove the back cover.
3. Insert the SIM card.
• Place the SIM card in the phone with the gold-
colored contacts facing down.
• If you do not insert a SIM card, you can only use
your phone's non-network services and some
menus.
• Do not insert a memory card into the SIM card slot.
4. Insert the battery.
5. Replace the back cover.
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