LG H443 Owners Manual - English - Page 89
Troubleshooting
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Troubleshooting This chapter lists some problems you might encounter when using your phone. Some problems require you to call your service provider, but most are easy to fix yourself. Message Possible causes Possible corrective measures SIM or USIM card error There is no SIM or USIM card in the phone or it is inserted incorrectly. Make sure that the SIM card is correctly inserted. No network connection/ Dropped network Codes do not match Signal is weak or you are outside the carrier network. Operator applied new services. To change a security code, must confirm the new code by re-entering it. The two codes you entered do not match. Move toward a window or into an open area. Check the network operator coverage map. Check whether the SIM card is more than 6~12 months old. If so, change your SIM card at your network provider's nearest branch. Contact your service provider. If you forget the code, contact your service provider. 89
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