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Getting to know your phone
to a power source, or if connected to a
power source, how long you were last
running on battery power. The screen also
lists applications or services using battery
power from greatest amount to least.
3. Installing an Open Source
Operating System
Installing an open source operating system on
your phone and not using the operating system
provided by the manufacturer can cause your
phone to malfunction.
20
Warning
• If you install and use an OS other than
the one provided by the manufacturer,
your phone is no longer covered by the
warranty.
• To protect your phone and personal data,
download applications only from trusted
sources, such as Play Store. If some
applications are not properly installed on
your phone, your phone may not work
properly- or serious errors may occur. You
will need to uninstall those applications
and all of its data and settings from the
phone.
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