Motorola A920 Reference Manual page 19

Caution: Do not bend or scratch your USIM card, and avoid
exposing it to static electricity, water, or dirt.
Do This
1 Push down
release latch, slide
back cover down,
and remove.
2 Slide USIM card
door to the left and
lift open.
3 Insert USIM card
into tray (notch in
upper right corner,
gold plate down).
Release latch
Getting Started - 19