LG GD570 - Manual (Page 42)

Getting Started
40 LG GD570 | User Guide
Place your thumbnail below the battery, as shown 4
below (1), and lift it up and out (2) (as shown).
Carefully slide the SIM card into the SIM card 5
socket as shown in the image below.
Make sure that the card’s gold contacts face
downwards into the phone and that the upper-left
angled corner of the card is positioned, as shown.