About your phone121 Remove the back cover of the phone as shown instep 1 on page 11.2 Place your index finger in the space at the bottomof the battery, and press toward the top of thephone.3 Take out the battery.Warning! Use only your hands to remove the battery. Do not puncture, burn oruse any objects that may damage the phone or the battery. Please recycle thebattery, or dispose of properly.RUIM card slotYour phone has an RUIM card slot built into its mechanics. However, the RUIM card slotis not functional in this phone model. Please avoid placing anything in this slot.Important battery information• Recharge your battery only with a charger approved by Nokia.• You can switch the phone on and use it for calls while the battery is charging.• If the battery is totally empty, it may take a few minutes for the battery indicator toappear on the screen.• If you switch the phone on when charging is complete, the message Battery full isdisplayed momentarily.• Charging time depends on the charger and battery used. Please see “Batteryinformation” on page 79, for more information.• If the battery has become completely empty, you may need to recharge it for a fewminutes before you can make or receive calls.• SWITCH YOUR PHONE ON OR OFFTo switch your phone on or off, press and hold the power key (located on the top of thephone) for two seconds.Warning! Do not switch on the phone when wireless phone use is prohibitedor when it may cause interference or danger.• CHECK THE START SCREENThe Start screen refers to the phone display when no calls are inprogress, and there are currently no menu or phone book entriesdisplayed.You can easily return to the Start screen from any location (otherthan an active call) simply by pressing the End key.