From the left edge of the device (display facing up), remove the card tray.
Utilize the insertion/removal tool (or a paperclip) to unlock the tray by inserting it into the provided slot (figure 1) then remove the tray (figure 2).
With the gold contacts facing down, insert the SD / Memory Card into the tray as shown .
Press in on the card to lock it into place.
Reinsert the SIM / SD / Memory Card tray and press in to lock it into place.