Locate the SIM tray along the top left edge of the device.
Insert the SIM eject tool. Press firmly and push it straight in, until the tray pops out.
Remove the ejector tool and pull the tray out.
Place the SIM card in the tray.
Note: The angled corner of the SIM card ensures that the card only fits the correct way in the tray.
Carefully slide the SIM tray all the way in.
The SIM card has been inserted or removed.