Model number: Nokia E90-1Hereinafter referred to as Nokia E90 Communicator.Insert the SIM card and batteryAlways switch the device off, and disconnect the charger beforeremoving the battery.1 With the back of the device facing you, press the releasebutton (1) and slide the back cover off (2).2 If the battery is inserted, lift the battery in the direction ofthe arrow to remove it.3 Insert the SIM card. Make sure that the contact area on thecard is facing the connectors on the device and that thebeveled corner is facing the bottom of the device.4 Insert the battery. Align the contacts of the battery with thecorresponding connectors on the battery compartment andinsert in the direction of the arrow.5 Place the hooks of the back cover to the slots.6 Slide the back cover back to place.1 2 3