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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
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
•
Remove the cover 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.
SIM card protection
The SIM card lock only protects your subscription. Your device will still work with a
new SIM card. If the SIM card lock is on, you have to enter a PIN (Personal Identity
Number). If you enter your PIN incorrectly more times than the maximum number of
attempts allowed, your SIM card will become blocked. You need to enter your PUK
(Personal Unblocking Key) and then a new PIN. Your PIN, PIN2 and PUK are supplied
by your network operator.
To enable the SIM card PIN lock
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.
To change the SIM card PIN
1
From the Home screen, tap
2
Find and tap Settings > Security > Set up SIM card lock > Change SIM PIN.
3
Enter the old SIM card PIN and tap OK.
4
Enter the new SIM card PIN and tap OK.
5
Re-type the new SIM card PIN and tap OK.
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