57
Calculator
Use the calculator to add, subtract, divide and multiply.
From standby select
}
}
.
•
To select ÷ x - + . % =, press
or
.
•
To delete the figure, press
.
SIM card lock
The SIM card lock protects your subscription, but not the
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
. 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
is displayed, enter your PUK
}
.
2
Enter a new four- to eight-digit PIN
}
3
Re-enter the new PIN to confirm
}
To edit your PIN
1
From standby select
}
}
}
}
}
.
2
Enter your PIN
}
.
If the message
appears when
you edit your PIN, you entered the new PIN incorrectly.
If the message
appears, followed by
, you entered your old PIN incorrectly.
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