Ericsson GH198 - Manual (Page 46)

14. PIN
Your SIM is protected by a 4- to 8-digit PIN (Personal
Identification Number).
This Special Function allows you to decide whether or not
the PIN must be entered on the keypad each time the
phone has been turned on (PIN Check).
The function also allows you to
● change the PIN.
● enter a new PIN, in case you have forgotten the existing
one. In this case you must use your personal
8-digit SIM Unblocking Key.
Enabling/Disabling the PIN Check:
1. Press M and then enter 14.
‘‘PIN’’ is displayed.
2. Press any numeric key. Either ‘‘LOCK?’’ (PIN
check is disabled) or ‘‘UNLOCK?’’ (PIN check is
enabled) is displayed.
3. To enable or disable the PIN check, press S.
‘‘PIN?’’ is displayed.
4. Enter your PIN (4 to 8 digits) and press S.
If you entered the PIN correctly, ‘‘UNLOCKED’’ or
‘‘LOCKED’’ is displayed briefly.
If you entered the PIN incorrectly, a beep is heard
and ‘‘WRONG PIN’’ is displayed briefly. The
display then returns to normal.
If the SIM card does not allow the PIN check to be
disabled, the question ‘‘UNLOCK?’’ will not be
displayed
Changing your PIN:
The PIN check must be enabled. Otherwise, you
cannot change your PIN.
1. Press M and then enter 14. ‘‘PIN’’ is displayed.
2. Press any numeric key twice ‘‘CHANGE PIN’’ is
displayed.
3. Press S. ‘‘OLD?’’ is displayed.
4. Enter the present PIN and press S. ‘‘NEW?’’ is
displayed.
5. Enter the new PIN and press S. ‘‘AGAIN?’’ is
displayed.
6. Enter the new PIN again and press S.
If you entered the old PIN correctly, and the new
PIN is accepted by the SIM module, ‘‘NEW PIN’’ is
displayed briefly.
Unblocking Procedure:
1. Press M and then enter 14. ‘‘PIN’’ is displayed.
2. Press any numeric key repeated-
ly until ‘‘UNBLOCK’’ is displayed.
3. Press S. ‘‘CODE?’’ is displayed.
4. Enter the SIM Unblocking Code and press S.
‘‘NEW PIN?’’ is displayed.
Special Functions
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