How to setup VPN on iOS iPhone or iPad using OpenVPN?
Install the app OpenVPN Connect from the App Store.
Download the LimeVPN config files from here.
Extract the config files and upload them on iCloud or Dropbox. The steps for iCloud is shown below in screenshots. Open the .ovpn file from iCloud.
Click on the Share button at the bottom.
Select Copy to OpenVPN.
Click on ADD
Enter LimeVPN Username and Password and click on ADD
If you are adding the VPN profile for the first time, you will get a prompt to allow OpenVPN to manage VPN connections. Click on Allow.
Click on the Grey Toggle button to connect.