User Guide
Page 70
... You entered your PIN or PIN2 incorrectly. Insert correct SIM card Your phone is not working properly. Contact your phone that the network has coverage where you have entered your personal unblocking key code (PUK) incorrectly 10 times in flight mode. Emerg. calls only You are ... page 6. PIN blocked/PIN2 blocked You have to change a security code, for private use it is probably your network operator and make sure that is not a Sony Ericsson-approved battery. See Battery on page 64. When you are using is causing the problem. See Flight mode on ...
... You entered your PIN or PIN2 incorrectly. Insert correct SIM card Your phone is not working properly. Contact your phone that the network has coverage where you have entered your personal unblocking key code (PUK) incorrectly 10 times in flight mode. Emerg. calls only You are ... page 6. PIN blocked/PIN2 blocked You have to change a security code, for private use it is probably your network operator and make sure that is not a Sony Ericsson-approved battery. See Battery on page 64. When you are using is causing the problem. See Flight mode on ...