Sony Xperia XA1 - Manual (Page 17)

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.
3 Drag the strip outward using your fingernail. 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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