Assembling 9Insert the SIM or USIM card.3Place the SIM or USIM card into the phone with•the gold-coloured contacts facing down.If you do not insert a SIM or USIM card, you can•only use your phone’s non-network services andsome menus.Insert the battery.4To install the SIM or USIM card and battery,If the phone is on, press and hold [1 ] to turn it off.Turn the screw anti-clockwise to unlock the back cover,2 and then remove the cover.Do not use your fingernails to unscrew. Use a coin orscrew driver, instead.