Your iPhone is not infected, and you don't need a free VPN
iPhone also supports VPN protocols known as L2TP (Layer 2 Tunneling Protocol) and PPTP (Point-to-Point Tunneling Protocol). You can configure a VPN on the iPhone by tapping VPN under Network, tapping Add VPN Configuration, and then tapping one of the aforementioned protocols. How to Install VPN on iPhone and iPad | VPN Unlimited® for iOS 2. How to activate VPN on iPhone: first launch of KeepSolid VPN Unlimited® Connecting to a VPN server for the first time, you will be requested to allow adding VPN configurations for iPhone or iPad and downloading a VPN profile. This is a standard system message when installing VPN configurations. Best Free VPN Apps for iPhone & iPad (iOS 13, 12 & Below) Jul 13, 2020
iPhone also supports VPN protocols known as L2TP (Layer 2 Tunneling Protocol) and PPTP (Point-to-Point Tunneling Protocol). You can configure a VPN on the iPhone by tapping VPN under Network, tapping Add VPN Configuration, and then tapping one of the aforementioned protocols.
7 Best Free VPN apps for iPhone and iPad Jan 11, 2019 Should I leave my iPhone VPN connected all the time? | iMore Jun 15, 2020
2. How to activate VPN on iPhone: first launch of KeepSolid VPN Unlimited® Connecting to a VPN server for the first time, you will be requested to allow adding VPN configurations for iPhone or iPad and downloading a VPN profile. This is a standard system message when installing VPN configurations.
How to Install VPN on iPhone and iPad | VPN Unlimited® for iOS