1. Plug the charger into a wall outlet, then connect the micro-USB end of the charger's cable to yourphone.2. When the battery is full, disconnect the charger from the phone, then from the wall outlet.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 need to charge for up to 20 minutes before you canuse your device. The charging indicator may not be displayed in this time.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.Make sure your computer is switched on.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.The battery can be charged and discharged hundreds of times, but it will eventually wear out. Whenthe talk and standby times are noticeably shorter than normal, replace the battery.BatteryTake good care of your battery, it's the life force of your phone.Use only Microsoft Mobile approved chargers designated for this phone. You can also use acompatible USB cable to charge your phone.Transfer content to your Nokia LumiaLearn how to transfer content to your Nokia Lumia.© 2014 Microsoft Mobile. All rights reserved. 13