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To remove the battery
1.Make sure your device is
turned off.
2.Remove the back cover.
3.To remove the battery, lift it up from the top end of the battery
Charge the battery
New batteries are shipped partially charged. Before you start using your device, it is recommended that you charge the battery. Some batteries perform best after several full charge/discharge cycles.
1.Connect one end of the USB sync cable to the sync connector on your device.
2.Connect the other end of the USB sync cable to the USB port of the AC adapter.
3.Plug in the AC adapter to an electrical outlet to start charging the battery. The battery is fully charged after 3 hours of charging.
Note Only the AC adapter and USB cable provided with your device should be used to charge the device.
Charging is indicated by a solid amber light on the right LED indicator.
As the battery is being charged while the device’s power is on, a charging icon
( 
) will be shown on the title bar of the Today screen. After the battery has been fully charged, the right LED becomes green and a full battery icon ( 
) appears on the Today screen’s title bar.