LG GR500A User Manual page 14

Getting Started
3. Install the SIM card
Slide the SIM card into the SIM card
holder. Make sure that the gold contact
area on the card is facing downward. To
remove the SIM card, pull it gently in the
opposite direction.
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4. Install the battery
Insert the top of the battery first into the
top edge of the battery compartment.
Ensure that the battery contacts align
with the terminals on the phone. Press the
bottom of the battery down until it clips
into place.