You don't need to charge the battery for a specific length of time, and you can use the phone whileit's charging.If the battery is completely discharged, it may take several minutes before the charging indicator isdisplayed or before any calls can be made.Tip: You can use USB charging when a wall outlet is not available. Data can be transferred whilecharging the device. The efficiency of USB charging power varies significantly, and it may takea long time for charging to start and the device to start functioning.First connect the USB cable to the computer, then to your phone. When the battery is full, firstdisconnect the USB cable from your phone, then from the computer.BatteryTake good care of your battery, it's the life force of your phone.Your phone has an internal, non-removable, rechargeable battery. Use only Nokia approved chargersdesignated for this phone. You can also use a compatible USB cable to charge your phone (included).Do not attempt to remove the battery from the device. To replace the battery, take the device toyour nearest authorised service facility.Important: Only qualified personnel or an authorised service facility should replace the battery.Unauthorised battery replacement may invalidate your warranty.First start-upLearn how to get your new phone up and running.Your new phone comes with great features that will be installed when you start your phone for thefirst time. Allow some minutes for your phone to be ready.Switch the phone onAre you ready? Switch your phone on, and start exploring it.Press and hold the power key until the phone vibrates.© 2013 Nokia. All rights reserved. 12