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
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
•
Turn off your device, then remove the battery cover and battery 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.
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