Nokia RM-1110 Quick Manual page 6

1. Press the back cover with your thumb, carefully lift
the bottom edge of the back cover with your fingers,
and remove the cover.
2. If the battery is in the phone, lift it out.
3. Slide the SIM in with the contact area face down.
For dual SIM only: If you have a second SIM, insert it
in the same way. If you have a memory card, insert it
in the memory card slot.
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