Your SIM card is not inserted correctly or may be damaged or dirty. Try one or more of the following:
•Remove the SIM card and insert it correctly.
•Clean the connectors on the SIM card and phone with a soft brush, a cloth or a cotton bud.
•Check if the SIM card is damaged.
•Contact your network operator to get a new SIM card.
This error message is shown in two cases:
•The phone only works with certain SIM cards. Insert the correct SIM card.
•You entered your personal unblocking key code (PUK) incorrectly 10 times in a row. Contact your operator.
•To unblock See SIM card lock on page 33.
You have entered your PIN or PIN2 incorrectly.
Enter the correct PIN or PIN2 and select OK. See Locks on page 33.
The phone is locked. To unlock the phone, enter your code (which is 0000 if you have not changed it) and select OK.
Go to www.sonyericsson.com/support for more 
information.
39
This is the Internet version of the User's guide. © Print only for private use.