Pry the back cover off of the device starting from the notch at the bottom left edge.
To remove a SIM card, slide the SIM card out of the SIM Card slot.
To insert a SIM card, slide the SIM card into the SIM Card slot.
Note: The SIM Card slot is the lower of the two slots, underneath the metal plate.
Reattach the back cover, carefully pressing it into place around the edges.
The SIM card has been inserted or removed.