Tips for extending battery life
How long the battery can last before it needs recharging depends on how you use HTC One S9. Try
out some of these tips to help increase battery life.
Use the power management features
§ Turn Power saver mode and Extreme power saver mode on in Settings.
§ Monitoring your battery usage helps identify what's using the most power so you can choose
what to do about it. For details, see Checking battery usage on page 106.
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 159.
§ Turn on Airplane mode when you don't need any wireless connections and you don't want to
receive calls or messages.
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.
§ Set the screen timeout to a shorter time.
§ 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 Settings and security on page 159 and Personalizing on page 49.
Manage your apps
§ Battery optimization helps extend battery standby time. See Battery optimization for apps
on page 107.
§ Install the latest software and application updates. Updates sometimes include battery
performance improvements.
§ Uninstall or disable apps that you never use.
Many apps run processes or sync data in the background even when you're not using them. If
there are apps that you don't need anymore, uninstall them.
If an app came preloaded and can't be uninstalled, disabling the app can still prevent it from
continuously running or syncing data. See Disabling an app on page 164.
108 Power and storage management
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