iOS 12.1.1 can cause iPhone to lose 3G / 4G connection
after updating to ios 12.1.1, a digital user replied on forbes page about the status of their device could not connect to the service provider to use 3g and 4g mobile data.Apple officially released iOS 12.1.1 update with many new features
apple has released ios 12.1.1 update for iphone and ipad with many changes and new features. from now on, users can update to this latest version to experience.