Nextel i830 用户手册
15
SIM Card Security
Note: The default SIM PIN is 0000. Change your
PIN to prevent fraudulent use of the SIM
card (see “Changing the PIN”).
card (see “Changing the PIN”).
4 Press
A
under Ok.
Entering the PIN
1 When the Enter SIM PIN Code screen appears
after you power on your phone, enter your SIM
PIN.
PIN.
2 Press
A
under Ok.
The message SIM Unlocked displays.
Important: If you enter your PIN incorrectly 3 times,
your SIM card is blocked. To unblock
your SIM card, you must contact Nextel
Customer Care. See “Unblocking the
PIN”.
your SIM card, you must contact Nextel
Customer Care. See “Unblocking the
PIN”.
Changing the PIN
Note: The SIM PIN requirement must be turned
on in order to access this feature.
1 From the main menu, select Settings >
Security > Change Password > SIM PIN.
2 At the Enter Old SIM PIN screen, enter the
current SIM PIN.
3 Press
A
under Ok.
4 At the Enter New SIM PIN screen, enter the
new 4- to 8-digit SIM PIN.
5 Press
A
under Ok.
6 At the Re-enter New SIM PIN screen, re-enter
the new SIM PIN to confirm.
7 Press
A
under Ok.
Changed: SIM PIN displays.
Unblocking the PIN
If you enter your PIN incorrectly 3 times, your SIM
card is blocked. To unblock your SIM card, you
must contact Nextel Customer Care to get a PIN
Unblock Code (PUK).
card is blocked. To unblock your SIM card, you
must contact Nextel Customer Care to get a PIN
Unblock Code (PUK).
Important: If you unsuccessfully enter the PUK
code 10 times, your SIM card is
permanently blocked and must be
replaced. If this happens, all data is
lost. You will get a message to contact
Nextel Customer Care. Except for
making emergency calls, your phone
will not function with a blocked SIM
card.
permanently blocked and must be
replaced. If this happens, all data is
lost. You will get a message to contact
Nextel Customer Care. Except for
making emergency calls, your phone
will not function with a blocked SIM
card.
To unblock the PIN:
1 Press
*
#
m
1
.
2 At your Nextel Customer Care representative’s
request, provide the information needed to give
you a PUK code.
you a PUK code.