❤ How to Fix “Cellular Update Failed” on iPhone with iOS 12.1.2 SMS, LTE, Cellular Data Issues

Some iPhone users have discovered that their cellular data and cellular connectivity has failed recently, with iPhone no longer working to send or receive calls or access the internet, particularly after installing the iOS 12.1.2 update. The inability for iPhone to have cell network connections is usually accompanied by a “No Service”message in the upper left […]

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