Sony Ericsson K600i User Guide - Page 84

Troubleshooting Error messages Insert SIM Possible cause: There is no SIM card in the phone or you may have inserted it incorrectly. Solution: Insert a SIM card. % 5 To insert SIM card and battery. Possible cause: The SIM card connectors need cleaning. Solution: Remove the SIM card and clean it. Also check that the card is not damaged in a way that may prevent connection to the phone connectors. In that case, contact your network operator for a new SIM card. Insert correct SIM card Possible cause: The phone is set to work only with certain SIM cards. Solution: Check if you are using the correct operator SIM card for your phone. Wrong PIN/Wrong PIN2 Possible cause: You have entered your PIN or PIN2 incorrectly. Solution: Enter the correct PIN or PIN2 } Yes. % 78 SIM card lock. PIN blocked/PIN2 blocked Possible cause: You have entered your PIN or PIN2 code incorrectly three times in a row. Solution: To unblock, % 78 SIM card lock. Codes do not match Possible cause: The two codes that you have entered do not match. Solution: When you want to change a security code (for example your PIN) you have to confirm the new code by entering exactly the same code again. % 78 SIM card lock. No netw. coverage Possible cause: Your phone is not receiving any radio signal, or the received signal is too weak. Solution: Contact your network operator and make sure that the network has coverage where you are. If so, try to do a new search. Possible cause: The SIM card is not working properly. Solution: Insert your SIM card in another phone. If you still get the same or a similar message, please contact your network operator. Possible cause: The phone is not working properly. Solution: Insert your SIM card in another phone. If this works, it is probably the phone that is causing the problem. Please contact the nearest Sony Ericsson service location. 84 This is the Internet version of the user's guide. © Print only for private use.