Important: This device is designed to be used with a standard SIM card (see figure) only. Use of incompatible SIM cards may damage the card or the device, and may corrupt data stored on the card. Please consult your mobile operator for the use of a SIM card that has a mini-UICC cutout.
Do not attach any stickers to your SIM card.
Slide the back cover open, and remove it.
Remove the battery.
To unlock the SIM card holder, slide it.
Lift the SIM card holder, and insert the SIM card. Make sure the contact area of the card would face down when the SIM card holder is lowered.
Lower the SIM card holder. To lock the SIM card holder, slide it.
Replace the battery and back cover.