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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 Restart & 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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