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39 Your first week with your new phone
2. Tap the Power saver On/Off switch to turn power saver mode on or off.
If you want to choose which phone features to conserve power for, tap Power saver.
If power saver mode's Data connection option is selected, HTC Desire 820
automatically disconnects from the mobile network after 15 minutes when the
screen is off and the data connection is idle (no download activity, streaming,
or data usage). It reconnects and then disconnects periodically when the data
connection is idle to save battery power. Keep in mind though that the Sleep
mode option for the data connection in Settings > Power, when enabled,
overrides power saver mode.
Extreme power saving mode
In times when you don't need to use much of your phone, turn Extreme power saving
mode on to extend battery life longer.
In this mode, standby time can last longer than usual, and you can only use the most
basic functions such as phone calls, text messaging, and email.
1. Go to Settings, and then tap Power.
2. Tap the Extreme power saving mode On/Off switch to turn extreme power
saving mode on or off.
If you want to set when to automatically switch this mode on, tap Extreme power
saving mode and select a battery level.
Tips for extending battery life
How long the battery can last before it needs recharging depends on how you use
HTC Desire 820.
HTC Desire 820 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
Manage your connections
Turn off wireless connections such as mobile data, Wi-Fi, or Bluetooth when not
ƒ
in use.
ƒ Turn GPS on only when a precise location is needed, such as while using
navigation or location-based apps. See
ƒ 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.
ƒ Turn on Airplane mode when you don't need any wireless connections and you
Checking battery
usage.
Turning location services on or
off.
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