Use the original charger to maintain optimal battery performance over the life of your device.
Insert the microUSB end of the microUSB cable into the microUSB port at the base of the device.
Insert the opposite end into the A/C Power adapter. Note: Your device charges quicker using a power outlet then when connected to a laptop or other power source.
Insert the Power adapter into the wall outlet.
Alternatively, insert the opposite end of the microUSB cable into the port of the computer.
When the device is fully charged, the Fully charged icon will be displayed in the Notification bar.
While the device is charging, the Charging icon is displayed in the Notification bar.
To learn more about your charging your battery, from a computer download the user manual from to www.att.com/devicehowto.