Tips for extending battery life
How long the battery can last before it needs recharging depends on how you use
HTC One M9. HTC One M9 power management helps to increase battery life.
If you like more control by tweaking settings on your own, try out some of these battery
saving tips.
Check your battery 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 Checking battery usage on page 206.
Manage your connections
§ Turn off wireless connections such as mobile data, Wi-Fi, or Bluetooth when
not in use.
§ Turn GPS on only when a precise location is needed, such as while using
navigation or location-based apps. See Turning location services on or off on
page 311.
§ 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.
§ Turn on Airplane mode when you don't need any wireless connections and you
don't want to receive calls or messages.
208 Power and storage management
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