To force the device to restart or shut down
1
Press and hold down the power key and the volume up key at the same
time for 6 seconds.
2
Your device vibrates once. Depending on whether you wish to force the
device to restart or shut down, proceed as follows.
•
If you wish to force restart the device: Release the keys at this point. The
device restarts.
•
If you wish to force shut down the device: Continue pressing the keys.
After a few more seconds, the device vibrates three times and turns off.
To perform a factory data reset
To avoid permanent damage to your device, do not interrupt a factory data reset procedure.
1
Back up any important data that is saved on the internal memory of your
device to a memory card or other non-internal memory. If you have any
encrypted files stored on an SD card, you should also remove the encryption
to ensure you can still access them after the reset.
2
From your
Home screen
, tap .
3
Find and tap
Settings
>
Backup & reset
>
Factory data reset
.
4
Tap
Reset phone
.
5
If required, draw your screen unlock pattern or enter your screen unlock
password or PIN to continue.
6
To confirm, tap
Erase everything
.
Your device does not revert to an earlier software version of Android™ when you perform a
factory data reset.
Repairing the device software
If you forget your screen unlock password, PIN or pattern, you can use the device
repair feature in Xperia™ Companion to erase the security layer. You need to
provide your Google account login details to perform this operation. By running
the repair feature, you reinstall software for your device and you may lose some
personal data in the process.
If you can’t turn off your device before performing a software repair, force it to shut
down.
When you receive a new Google™ account username or password, you might not be able
to use them to log in to and recover your device for 72 hours.
To repair the device software using Xperia™ Companion
Before performing a software repair, make sure you know your Google™ account username
and password. Depending on your security settings, you may need to enter them in order to
restart the device after a software repair.
If your device seems to have frozen, restarts repeatedly or doesn’t start at all after
you’ve updated the Xperia™ software or after you’ve performed a software repair
or a factory data reset, try forcing the device to shut down then try turning it back
on. If the problem still exists, force the device to shut down then perform a
software repair by following the steps below:
1
Make sure that Xperia™ Companion is installed on your PC or Mac
®
.
2
Open the Xperia™ Companion software on the computer and click on
Software repair
on the main screen.
3
Follow the instructions that appear on the screen to reinstall the software
and complete the repair.
H
Help us improve our software
You can allow the sending of usage info from your device so that Sony Mobile can
receive anonymous bug reports and statistics that help improve our software.
None of the information gathered includes personal data.
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