Sony Ericsson Z520a User Guide - Page 80

3 } Yes to continue. 4 Enter the phone lock code (0000 or the new code if you have changed it) } OK. If you select Reset All, content such as melodies and pictures that you have downloaded, received or edited is also deleted. 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. % 8 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. Troubleshooting 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. % 74 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, % 74 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. % 74 SIM card lock. No Netw. Coverage Possible cause: Your phone is not receiving any radio signal, or the received signal is too weak. This is the Internet version of the user's guide. © Print only for private use. 79