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Tuning Your Tablet’s Per-
formance
Optimizing battery life
You can extend your battery’s life between charges by turn-
ing off features that you don’t need. You can also monitor how
much power your apps and system resources are using.
To adjust the settings described here, first tap the Settings icon
on a Home screen or the All Apps screen.
To extend the life of your battery
• If you aren’t using Wi-Fi, use the Settings app to turn it off.
• If you have a navigation app, map, or other app that uses
Location services, do not leave it open when you are not
using it.
• Lower the screen brightness level and set a shorter Sleep
timeout (Settings > Device > Display).
• If you don’t need it, turn off automatic syncing for all apps
(Settings > Personal > Accounts & sync). Note that this
means you need to sync manually to collect messages,
email, and other recent information, and you won’t receive
notifications when updates occur.
• If you know you won’t be near a Wi-Fi network for a while,
switch to Airplane mode. Press and hold the power button
until the Tablet options dialog appears, then tap Airplane
Mode.
Checking battery level and usage
details
Tap Settings > Device > Battery.
• The charge status and charge level of the battery are dis-
played at the top of the screen. The discharge graph shows
battery level over time since you last charged the device,
and how long you’ve been running on battery power.
• The list at the bottom of the screen shows detailed battery
usage information for individual apps and services. Tap a
graph for more details. The details screen for some apps
includes buttons that allow you to adjust settings affecting
power usage, or to stop the app completely.
Warning!
Some apps or services are required for your tab-
let to work correctly. Do not stop apps or services
that you do not recognize. Restart your tablet if it
starts behaving abnormally.
