Sony Ericsson J300a User Manual
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59
SIM Card Lock
The SIM card lock protects your subscription, but not your
phone itself, from unauthorized use. If you change SIM cards,
the phone still works with the new SIM card.
Most SIM cards are locked at the time of purchase. If
the SIM card lock is on, you have to enter a PIN (Personal
Identity Number) every time you turn on your phone.
If you enter your PIN incorrectly three times in a row,
the SIM card is blocked. This is indicated by the message
PIN blocked.
To unblock it, you need to enter your PUK
(Personal Unblocking Key). Your PIN and PUK are supplied
by your service provider. You can edit your PIN and select
a new four- to eight-digit PIN.
To Unblock Your SIM Card
1
When
PIN blocked.
is displayed, enter your PUK
}
OK
.
2
Enter a new four- to eight-digit PIN
}
OK
.
3
Re-enter the new PIN to confirm
}
OK
.
To Edit Your PIN
1
}
Settings
}
General
tab
}
Locks
}
SIM Lock
}
Change PIN
.
2
Enter your PIN
}
OK
.
3
Enter a new four- to eight-digit PIN
}
OK
.
4
Re-enter the new PIN to confirm
}
OK
.
If the message
Codes do not match.
appears when you
edit your PIN, you entered the new PIN incorrectly.
If the message
Wrong PIN.
appears, followed by
Old PIN:
,
you entered your old PIN incorrectly.
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