To Set Up a SIM Card Lock
1
From the Homescreen, tap .
2
Find and tap
Settings
>
Lock screen & security
>
Set up SIM card lock
.
3
Tap the
Lock SIM card
slider to enable or disable the SIM card lock.
4
Enter the SIM card PIN and tap
OK
. The SIM card lock is now active and you will
be prompted to enter the PIN every time you restart the device.
To Change the SIM Card PIN
1
From the
Home screen
, tap .
2
Find and tap
Settings
>
Lock screen & security
>
Set up SIM card lock
.
3
Tap
Change SIM PIN
.
4
Enter the old SIM card PIN and tap
OK
.
5
Enter the new SIM card PIN and tap
OK
.
6
Retype the new SIM card PIN and tap
OK
.
To Unlock a Blocked SIM Card Using the PUK Code
1
Enter the PUK code and tap
.
2
Enter a new PIN code and tap
.
3
Re-enter the new PIN code and tap
.
If you enter an incorrect PUK code too many times, you need to contact your network operator
to get a new SIM card.
Finding the Identification Number of Your Device
Your device has a unique identification number. This number is referred to as the IMEI
(International Mobile Equipment Identity). You should keep a copy of this number. You
may require it, for example, when you access the Xperia™ Care support service to
register your device. Also, if your device is stolen, some network providers can use this
number to stop the device from accessing the network in your country or region.
To View Your IMEI Number on the Label Strip
1
Open the cover for the nano SIM and memory card slot.
2
Remove the SIM/memory card tray. Place a fingernail or other object with a long,
fine tip under the edge of the label strip, then drag the strip outward. The IMEI
number is displayed on the strip.
You can also view the IMEI number by opening the phone dialer and entering
*#06#
.
To View Your IMEI Number via the Device Settings
1
From your
Home screen
, tap .
2
Find and tap
Settings
>
About phone
>
Status
>
IMEI information
.
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