LG -M200n Manual Del Usuario página 23

Installing the SIM card
Insert the SIM (Subscriber Identity Module) card provided by your service
provider to start using your device.
1
To remove the back cover, hold the phone firmly in one hand. With your
other hand, lift off the back cover with your thumbnail as shown in the
figure below.
2
Slide the SIM card into the SIM card slot with the gold-colored
contacts facing downwards.
Basic Functions
SIM card
Lower slot
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