Sony Ericsson Xperia Z TMobile User Guide - Page 123

Locking and protecting your device, IMEI number, SIM card protection

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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 Drag the status bar downwards, then tap . 2 Find and tap Backup & reset> Factory data reset. 3 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. 4 Tap Reset phone. 5 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 You can also open the phone dialer on your device and enter *#06#* to view the IMEI number of your device. 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. 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 1 From the Home screen, tap . 2 Find and tap Settings > Security > Set up SIM card lock > Lock SIM card. 3 Enter the SIM card PIN and tap OK. 123 This is an Internet version of this publication. © Print only for private use.

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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
Drag the status bar downwards, then tap
.
2
Find and tap
Backup & reset
>
Factory data reset
.
3
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.
4
Tap
Reset phone
.
5
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
You can also open the phone dialer on your device and enter
*#06#*
to view the IMEI number
of your device.
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.
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
1
From the
Home screen
, tap
.
2
Find and tap
Settings
>
Security
>
Set up SIM card lock
>
Lock SIM card
.
3
Enter the SIM card PIN and tap
OK
.
123
This is an Internet version of this publication. © Print only for private use.