Locking And Protecting Your Device - Sony Xperia Z C6603 User Manual

Drag the status bar downwards, then tap
1
Find and tap Backup & reset> Factory data reset.
2
If you also want to erase data such as pictures and music, which is saved to
3
your device's internal storage, mark the Erase internal storage checkbox.
Tap Reset phone.
4
To confirm, tap Erase everything.
5

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
You can also open the phone dialer on your device and enter
of your device.
To view your IMEI number in the device
From your Home screen, tap
1
Find and tap Settings > About phone > Status.
2
Scroll to IMEI to view the IMEI number.
3
SIM card protection
You can lock and unlock each SIM card that you use in your device with a PIN
(Personal Identity Number). When a SIM card is locked, the subscription linked to the
card is protected.
If you enter the PIN incorrectly more times than the maximum number of attempts
allowed, your SIM card will become blocked. You then need to enter your PUK
(Personal Unblocking Key) and a new PIN. Your PIN and PUK are supplied by your
network operator.
To lock a SIM card
From the Home screen, tap
1
Find and tap Settings > Security > Set up SIM card lock > Lock SIM card.
2
Enter the SIM card PIN and tap OK.
3
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*#06#* to view the IMEI number