After the iOS 13.2.1 update, the task manager complained that he was aggressively shutting down background applications. Apple solves this problem with the newly released iOS 13.2.2 update.
Prevent unexpected shutdown of improvement background apps that came forward in the iOS 13.2.2 update. Because of an aggressive task manager for a while, background applications had often shut down.
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After making a search on the iPhone models again, the cellular signal is lost momentarily and cellular data can not be used for a short time, two more errors are fixed.
YubiKey brand Lightning-related accessories in the interruption of the charge and a single login with the Kerberos method in Safari when additional credentials are requested error is resolved. In addition, the update does not include innovation or performance improvements. The update is currently in the distribution.