Sony Ericsson K220 - Manual (Page 8)

8
PIN (Personal Identification Number)
You may need a PIN (Personal Identification Number) from
your network operator to activate the services in your phone.
Each PIN digit appears as *, unless it starts with
emergency number digits, for example 112. This is so that
you can see and call an emergency number without
entering a PIN
% 17 Emergency calls. Press the right
selection key to correct mistakes.
If you enter the wrong PIN three times in a row, the
SIM card is blocked and the message
PIN blocked
appears. To unblock it, you need to enter your PUK
(Personal Unblocking Key)
% 48 SIM card lock.
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