111. Get started■ Insert SIM card and batteryAlways switch the device off and disconnect the charger before removing the battery.This device is intended for use with the BP-6MT battery. Always use original Nokiabatteries. See ”Nokia battery authentication guidelines”, page 50.The SIM card and its contacts can easily be damaged by scratches or bending, sobe careful when handling, inserting, or removing the card.To remove the back cover of thephone, slide the back coverdown, and lift the cover.Remove the battery.