Use the original charger to maintain optimal battery performance over the life of your device. Note: The initial charge will take about 2 hours. Subsequent charges will take approximately 3 hours to achieve 100% charge when charging via a power outlet.
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.
Insert the Power adapter into the wall outlet.
Alternatively, insert the opposite end of the microUSB cable into the port of the computer. Note: Your device charges quicker using a power outlet then when connected to a laptop or other power source.
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.
The device Standby time is up to 35.5 days, and Use/Talk time is up 14.5 hours.
To learn more about charging your battery, from a computer, download the user manual at www.att.com/devicehowto.