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Generally after an iOS update, you fill find that some apps will need to be updated for compatibility with the new OS build. Launch your App Store app and check for application updates and install them.
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Generally after an iOS update, you fill find that some apps will need to be updated for compatibility with the new OS build. Launch your App Store app and check for application updates and install them.

Vice President

Billy Ma

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Thank you for you reply. I would like to know what iPhone was doing when "Preparing Update"
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Thank you for you reply. I would like to know what iPhone was doing when "Preparing Update"

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I was using NordVPN to download the iOS13.5 update, but after it downloaded the patch and preparing update, I saw the VPN setting actually gone in the Setting app during the preparing update phase. I have to relaunch NordVPN and click connect before it adds the config back to the Setting app. <br />
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Anyone knows why?
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I was using NordVPN to download the iOS13.5 update, but after it downloaded the patch and preparing update, I saw the VPN setting actually gone in the Setting app during the preparing update phase. I have to relaunch NordVPN and click connect before it adds the config back to the Setting app. 

Anyone knows why?

iPhone Preparing Update to iOS 13.5

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.