How to install Free Firefox von on Firefox app on iPhone

The '''built-in VPN''' feature is currently only in desktop Firefox (Windows, macOS, Linux) and in Firefox for Android. https://support.mozilla.org/en-US/kb/built-in-vpn https://support.mozilla.org/en-US/kb/mobile-android-vpn There is said to be a '''built-in VPN''' feature coming in Firefox for iOS/iPadOS as per https://www.firefox.com/en-US/whatsnext/?tags=ios /moved thread from desktop Firefox to Firefox for iOS section.