You can manually update the carrier settings on an iPhone through its Settings app to ensure your phone works properly.
The Punch on MSN
Decoding the Error: What to Do When Your iOS Update Fails
IntroductionImagine excitedly expecting your iPhone’s update notice to experience new features. The “iPhone Software Update ...
Your iPhone apps should update automatically, but if they aren't, you can check for updates manually through the App Store.
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