LG GD570AV Specifications - English - Page 178
Troubleshooting
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Troubleshooting This section lists some problems that you might encounter while using your phone. Some problems require that you call your service provider, but most of problems you encounter are easy to correct yourself Symptom Possible causes Possible corrective actions Phone displays "Insert SIM" error message. There is no SIM card in the phone or you may have inserted it incorrectly. Make sure that the SIM card is correctly inserted. No connection to the network. Signal is weak or Move to a window or open you're outside of the space. Check service provider GSM network coverage map. Codes do not match. When you want to change a security code you have to confirm the new code by entering it again. The two codes that you have entered do not match. Contact your Service Provider. Function cannot Not supported by Contact your Service Provider. be set. Service Provider or registration required Calls not available. Dialing error or service limitations have been placed. Check the number dialed. Contact your service provider. 176 LG GD570 | User Guide