15 
 
2. Connect the charger to a standard AC power outlet. 
3. Disconnect the charger when the battery is fully charged. 
  NOTE: 
If the battery is extremely low, you may be unable to power on 
the phone even when it is being charged. In this case, try 
again after charging the phone for at least 20 minutes. 
Contact the customer service if you still cannot power on the 
phone after prolonged charging
. 
Extending the Battery Life 
Active applications, screen brightness levels, Bluetooth and Wi-Fi 
usage and GPS functionality can drain your battery. You can 
follow the helpful tips below to conserve your battery power: 
•  Reduce the screen backlight time. 
•  Lower the screen brightness.