Samsung GT-B3730 User Manual page 18

2. Insert the SIM card with the gold-coloured contacts facing down
into the card slot.
3. Replace the SIM card cover.
To remove the SIM card, pull the SIM card out of the slot.
• To prevent someone from using your SIM card when it is
stolen or lost, you can lock the card. See page 19.
• To purchase a SIM card or subscribe to a network service,
contact your service provider.
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