Use the original charger to maintain optimal battery performance over the life of your device. Note: The device takes approximately two hours to charge through a power outlet. A full charge provides ~20 hrs hours of talk time, or ~20 days of standby time.
To charge the battery, insert the microUSB end of the microUSB cable into the port at the base of the device. Note: Your device charges quicker using a power outlet than when connected to a laptop or other power source.
Insert the USB end of the microUSB cable into the Power adapter.
Insert the Power adapter into a power outlet to begin charging.
Alternatively, you can insert the USB end of the cable into a computer to charge.
While charging, the Charging icon will be displayed in the Notifications bar.
When the battery is fully charged, the Fully charged icon will be displayed in the Notifications bar.
If the device will not turn on, you will need to charge the battery before attempting to power on.