HTC One M9 - Manual (Page 284)

Settings 271
Battery Saving Tips
How long the battery can last before it needs recharging depends on how you use your phone. The
power management features of your phone helps increase battery life. In times when you need to
extend the battery life more, try out some of these tips.
Check Power Usage
Monitoring your battery usage helps you identify what’s using the most power so you can choose
what to do about it. For details, see
Check Battery Usage .
Manage Your Connections
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Turn off wireless connections you’re not using. To turn on or off connections such as
mobile data, Wi-Fi, or Bluetooth, go to Settings and tap their ON/OFF switches.
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Turn GPS on only when a precise location is needed. To prevent some apps from using
GPS in the background, clear the Device sensors option in Settings > Location > Mode.
Select it only when you need your precise location while using navigation or location-based
apps. For more information on location services, see
Location Settings .
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If the Sleep mode option in Settings > Power is enabled, at low peak times, your phone will
turn off the data connection after the screen has been off for 15 minutes and there’s no network
activity (no downloads, streaming, or data usage). The data connection resumes when you
switch the screen back on.
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Turn on Airplane mode when you don’t need any wireless connections and you don’t want to
receive calls or messages. For details, see
Airplane Mode .
Manage Your Display
Lowering the brightness, letting the display sleep when not in use, and keeping it simple helps save
battery power.
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Use automatic brightness (the default), or manually lower the brightness.
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Set the screen timeout to a shorter time.
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Don’t use a live wallpaper for your Home screen. Animation effects are nice to show off to other
people but they drain your battery. Changing your wallpaper to a plain, black background can
also help a little. The less color is displayed, the less battery is used.
For more details, see Display & Gestures Settings .
Manage Your Apps
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Install the latest software and application updates. Updates sometimes include battery
performance improvements.
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Uninstall or disable apps that you never use.