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Message
Hangs up or
freezes
Appendix
Possible causes
Intermittent software/
hardware problem
Possible corrective measures
Restarting the device
If your device freezes or hangs, you
may need to close apps or turn off
the device and turn it on again.
Performing a boot-up
Press and hold the Power/Lock key
and the Volume Down (-) key for
about 10 seconds to restart your
device.
Resetting the device
If the methods above do not solve
your problem, perform a factory
data reset.
On the settings screen, tap General
Backup & reset Factory data
reset.
* Reset all settings for the device and
delete data. Before performing the
factory data reset, remember to
make backup copies of all important
data stored in the device.
* If you registered a Google account
to the device, you must sign in to
the same Google account after
resetting the device.
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