Sony Ericsson K508i User Manual page 73

Start-up screen
When you turn your phone on or off, the
Sony Ericsson start-up screen appears. Your network
operator's own start-up screen may appear instead.
You can also set your own start-up screen.
To select a start-up screen
} Settings }
Display
the
select a file for the start-up screen.
Calculator
The phone has a calculator, which can add, subtract,
divide and multiply.
To use the calculator
} Organizer }
Calculator.
• Press or to select
• Press to delete the figure.
• Press to enter a decimal point.
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.
This is the Internet version of the user's guide. © Print only for private use.
} Start-up screen
tab and
÷ x - + . % =
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 network
operator. You can edit your PIN and select a new
four- to eight-digit PIN.
If the message
Codes do not match
edit your PIN, you entered the new PIN incorrectly.
If the message Wrong PIN appears, followed by
you entered your old PIN incorrectly.
To unblock your SIM card
1 When PIN blocked is displayed, enter your PUK
}
OK.
2 Enter a new four- to eight-digit PIN
3 Re-enter the new PIN to confirm
To edit your PIN
} Settings }
1 the General
} Change
PIN.
}
2 OK.
Enter your PIN
More features
appears when you
Old PIN: ,
}
OK.
}
OK.
} Locks } SIM lock
tab
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