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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 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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