Sony Ericsson T28 World User Guide - Page 104
Troubleshooting
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Troubleshooting EricssonNoMtofboilreCCoommmmerucniiaclatUisoens AB Insert card Insert correct card Emergency calls only No network Wrong PIN Codes do not match PIN blocked Blocked Contact operator This chapter lists some problems that you might encounter while using your phone. Some problems require that you call your service provider, but most of the problems you encounter are easy to correct yourself. Error Messages Insert Card There is no SIM card in the phone or you may have inserted it incorrectly. Insert a SIM card. See "The SIM Card" on page 5. Insert Correct Card The phone is set to only work with certain SIM cards. Insert the correct SIM card. Emergency Calls Only You are within range of a network but you are not allowed to use it. However, in an emergency, some operators allow you to call the emergency number 911. See "Making Emergency Calls" on page 15. No Network There is no network within range or the received signal is too weak. You have to move to get a signal that is strong enough. Wrong PIN, Wrong PIN2 You have entered your PIN or PIN2 incorrectly. • Enter the correct PIN or PIN2, and press Y ES . See "The SIM Card Lock" on page 58. Codes do not match When you want to change a security code (for example your PIN) you have to confirm the new code by entering it again. The two codes that you have entered do not match. See "The SIM Card Lock" on page 58. PIN/PIN2 Blocked You have entered your PIN or PIN2 incorrectly three times in a row. To unblock, see "The SIM Card Lock" on page 58. Blocked Contact Operator You entered your personal unblocking key code (PUK) incorrectly 10 times in a row. Contact your network provider or service operator. 104 Troubleshooting