OpenVPN with iOS/iPadOS (iPhone/iPad/iPod) - Version 12 or before
1Install OpenVPN Connect from Apple Store, the official, free OpenVPN client for iOS
developed by OpenVPN Technologies, Inc.
3Launch Safari browser (other browsers can't manage the next steps), connect to AirVPN website, login.
4Go to Config Generator, choose iOS and other options.
Click Open in "OpenVPN" on the generated file.
If you have generated many files, repeat the following procedure to import each file.