Setup iOS VPN
You can manually setup the VPN on iOS devices using L2TP or iKEv2 but the preferred method is to use the provided IOS VPN App. Using our VPN Client on the ios device is superior, faster to setup, more user friendly & more convenient. In some cases, users want to use the built in VPN client, so they can connect with L2TP VPN or iKEv2 VPN, in such as case, manual setup is needed. Here is the IOS VPN setup guide, based on latest IOS. Older version are very similar.