Installing the micro-SIM card
1. Use the tray eject tool to take out the card tray.
2. Put the micro-SIM card into the card tray and slip it into the
card slot.
WARNING!
To avoid damage to the device, please do not use other kinds of
SIM cards, and do not use a non-standard micro-SIM card cut
from a SIM card. You can get the standard micro-SIM card from
your service provider.
3. Close the micro-SIM card cover.