Sony Ericsson K300a Cell Phone User Manual


 
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This is the internet version of the user’s guide. © Print only for private use.
Most SIM cards are locked at the time of purchase. If the
SIM card lock is on, you have to enter a PIN (Personal Iden-
tity 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.
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.
To turn the SIM card lock on or off
1 } Settings } General tab } Locks } SIM lock } Protection
and select On or Off.
2 Enter your PIN } 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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