To perform a factory data reset
To avoid permanent damage to your device, do not restart your device while a reset
procedure is underway.
1
From your
Home screen
, tap .
2
Find and tap
Settings
>
Backup & reset
.
3
Tap
Factory data reset
.
4
If you also want to erase data such as pictures and music, which is saved to
your device's internal storage, mark the
Erase internal storage
checkbox.
5
Tap
Reset phone
.
6
To confirm, tap
Erase everything
.
Locking and protecting your device
IMEI number
Every device has a unique IMEI (International Mobile Equipment Identity) number.
You should keep a copy of this number. If your device is stolen, your network
provider can use your IMEI number to stop the device from accessing the network in
your country.
To view your IMEI number
•
Turn off your phone, then remove the battery cover and battery to view your IMEI
number.
•
Open the phone dialer on your device and enter
*#06#*
.
To view your IMEI number in the device
1
From your
Home screen
, tap .
2
Find and tap
Settings
>
About phone
>
Status
.
3
Scroll to
IMEI
to view the
IMEI
number.
Setting a screen lock
There are several ways to lock the screen on your device. For example, you can use
the Face Unlock feature, which uses a picture of your face to unlock the screen. You
can also set a screen unlock pattern, a number-based PIN lock, or a text-based
password.
It is very important that you remember your screen unlock pattern, PIN or password.
If you forget this information, it may not be possible to restore important data such as
contacts and messages. Refer to Sony customer support for more information.
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