Appendix 115
Message Possible causes Possible corrective measures
Hangs up or
freezes
Intermittent software/
hardware problem
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
System
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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