With the device powered off, locate the nano SIM card tray on the left side of your device.
Press the card insertion/removal tool into the nano SIM card tray pinhole and push in until the tray releases.
Slide the nano SIM card tray out of its slot.
Verify the SIM card is positioned securely in the tray, with the gold contacts facing the front of the phone.
Press the nano SIM card tray back into its slot until it clicks, making sure it's secure.
You've completed the steps!
