You can find free VPN services server address >> https://m.freevpn4you.net/l2tp-ipsec.php
How to use those VPN services in the iPhone, iPad or Windows or Android?
Would you like to create your own VPN?
Please visit SoftEther >> https://www.softether.org/4-docs/2-
howto/9.L2TPIPsec_Setup_Guide_for_SoftEther_VPN_Server/3.Android_L2TP_Client_Setup
Enjoy VPN