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14
The Basics
on your PC. It’s best to use the rear USB port when connecting to a desktop
PC. The USB hub should be powered by an external power source.
NOTE You may experience a slower charging rate when charging from your computer.
Optimizing Battery Life
You can extend your battery’s life between charges by turning off features
that run in the background. You can also monitor how apps and system
resources consume battery power.
Tips to extend the life of your battery
Reduce the screen brightness and set a shorter screen timeout.
Turn off radio communications (such as Wi-Fi, Bluetooth, GPS, etc.) that
you're not actively using. (Note that the GPS receiver is only turned on
when you’re using an app that makes use of it.)
Turn off automatic syncing for Gmail, Calendar, Contacts, and other apps,
if you don’t need it.
Use the Battery saver feature to control data activity, Wi-Fi connection,
Bluetooth connection, and power used for the phone such as screen
brightness and screen timeout.
NOTES • Allowing other devices to use your phone's hotspot connection will drain your battery
more quickly.
• If you accidently press the Power/Lock Key while the phone is in your pocket, the
proximity sensor prevents the screen from turning on in order to save battery power
and prevent unintentional actions.
To check the battery charge level
From the Home screen, touch and hold the Recent Apps Key (in the
Touch Keys bar) > Settings > Battery.
The battery level (as a percentage of fully charged) and the battery status
(Charging or Discharging) are displayed at the top of the screen.
Checkmark the Battery percentage on status bar checkbox to display
the percentage of remaining battery charge on the Status Bar next to the
battery icon.
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