HTC Desire 626s User Manual page 242

If the Sleep mode option in Settings > Power is enabled, at low peak times, your phone will
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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
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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.
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
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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
Install the latest software and application updates. Updates sometimes include battery
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performance improvements.
Uninstall or disable apps that you never use.
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Many apps run processes or sync data in the background even when you're not using them. If
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there are apps that you don't need anymore, uninstall them. See Uninstall Third-party Apps.
If an app came preloaded and can't be uninstalled, disabling the app can still prevent it from
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continuously running or syncing data. In Settings > Apps, swipe to the ALL tab, tap the app, and
then tap Disable.
Limit Background Data and Sync
Background data and sync can use a lot of battery power if you have many apps syncing data in the
background. It's recommended not to let apps sync data too often. Determine which apps can be
set with longer sync times, or sync manually.
In Settings, tap Accounts & sync and check what types of data are being synced in your
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online accounts. When the battery is starting to run low, temporarily disable syncing some data.
If you have many email accounts, consider prolonging the sync time of some accounts. In the
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Mail app, select an account, tap > Settings > Sync, Send & Receive, and then adjust the
settings under Sync schedule.
Settings 230