Let's get your phone out of emergency call mode! This issue is commonly associated with the installation of 3rd party application that the phone system conflicts with. If you have installed a hotspot application lately, that may be the culprit. If powering the phone off/on does not resolve the issue you may need to do a factory reset http://vz.to/z30zKf to clear the system error caused by the conflicting application. Please do the alternate method outlined at the above link. Keep us posted.
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