REMOVE BACK COVER & BATTERY: Remove the back cover of the device by untwisting the two screws at the top of the battery cover. Remove the battery by gently pulling up from the notch on the top.
INSERT/REMOVE SIM CARD: Slide up and gently lift the SIM slot. Place the SIM card into the SIM slot with the metal contacts facing down and the notched edge to the upper left. Push the SIM slot back down and slide down to close.