HT201270: Update your carrier settings on your iPhone or iPad
Learn about Update your carrier settings on your iPhone or iPad
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Helpful answers
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Mar 13, 2013 5:08 AM in response to Kimo_angel09by IdrisSeabright,★HelpfulCarriers make adjustments and changes in their networks all the time. Information in the phone needs to be updated to reflect that. What, specifically, those changes are, only your carrier could tell you. However, they probably won't. You'll just have to update and see.