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Sprint Nextel i856 User Manual

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Page of 191
Se
ttings
91
2.
Select 
On
 or 
Off
.
3.
Enter the current SIM PIN.
4.
Press 
Ok 
(left softkey).
Entering the PIN
1.
Turn on your phone. 
2.
When the 
SIM PIN 
screen appears, enter your 
 
SIM PIN and press 
Ok 
(left softkey).
Changing the PIN
1.
Press / 
> Settings > Security > Change Passwords > 
 
SIM PIN
.
2.
Enter the current SIM PIN and press 
Ok 
(left 
softkey).
3.
Enter the new SIM PIN and press 
Ok
 (left softkey).
4.
Reenter the new SIM PIN to confirm and then 
press 
Ok
 (left softkey).
Unblocking the PIN
If you enter your PIN incorrectly three times, your SIM 
card is blocked. To unblock your SIM card, you must 
contact Nextel Customer Service to get a PIN Unblock 
Code (PUK). Follow their instructions for unblocking 
your SIM PIN.
Your Phone’s Lock Feature
Locking Your Phone
When your phone is locked, you can only make calls to 
911. To lock and unlock your phone, you must enter 
your phone’s four-digit lock code. If you do not know 
Important
The default SIM PIN is 0000. Change your PIN to 
prevent fraudulent use of the SIM Card.
Important
If you enter your PIN incorrectly three times, your 
SIM card is blocked. See “Unblocking the PIN” on 
page 91.
Note
SIM PIN must be turned on in order to access this 
feature.
Important
If you unsuccessfully enter the PUK code ten 
times, your SIM card is permanently blocked and 
must be replaced. If this happens, you get a 
message to contact Nextel Customer Service. 
Except for making emergency calls, your phone 
does not function with a blocked SIM card.