To charge the phone
1Plug the phone charger into a power outlet.
2Plug one end of the USB cable into the charger (or into the USB port of a computer).
3Plug the other end of the cable into the micro USB port on your phone, with the USB symbol facing up. The battery status LED lights up when charging starts.
4When the battery status LED is green, the phone is fully charged. Disconnect the USB cable from your phone by pulling it straight outwards.
Make sure not to bend the connector when removing the cable from the phone.
Battery LED status
Green | The battery is fully charged |
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Flashing red | The battery level is low |
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Orange | The battery is charging. The battery level is between low and full |
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To check the battery level
1From your Home screen, tap 
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2Find and tap Settings > About phone > Status > Battery level.
Improving battery performance
The following tips can help you improve battery performance:
•Charge your phone often. This will not affect the lifetime of the battery.
•Downloading data from the Internet is power consuming. When you're not using the Internet, you can save power by disabling all data connections over mobile networks. You can do this from Settings > More… > Mobile networks > Data enabled. This setting does not prevent your phone from transmitting data over other wireless networks.
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