Nokia Lumia 720 Manual page 23

Get the most out of your phone
Find the optimal way of using your phone to suit
your needs.
If you want to save battery power, you can:
• Switch battery saver mode on. On the start
screen, swipe left, and tap
battery saver.
• Close data connections, such as Bluetooth or
wireless networks, when you're not using
them.
• Set your phone to check for new mail less
frequently.
• Lower the screen brightness, and set the
screen to turn off after a shorter time.
• Mute unnecessary sounds, such as key tones.
If your phone isn't responding, press and hold the
volume down key and power key for about 10
seconds. The phone restarts. You may have to
switch your phone on again.No content, such as
contacts or messages, is deleted.
If your issue remains unsolved, contact your
network service provider or Nokia for repair
options. Before sending your phone for repair,
always back up your data, as all personal data in
your phone may be deleted.
Find the answers to technical questions related to
your phone, and the nearest authorized repair
center addresses at www.nokia.com/support.
For the list of Mexico Repair Centers, see the
leaflet attached to this sales package.
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