Please download and install AnyConnect VPN client by the link and follow the guide:
1. Launch “AnyConnect“ app on your Android device and tap 3 dots as shown.
2. Disable (uncheck) Block Untrusted Servers and tap the back arrow.
3. Tap + icon to add a new connection.
4. Fill the Description (it can be whatever you want).
Input Server Address (it is given in your account data) and tap Done and back arrow.
Note: Server Address must be exactly as in your VPN account data. No extra symbols or spaces are allowed.
5. Switch the switcher on the main screen to the right to connect.
Tap Continue on the pop up window and enter your Username/Password on request.
Wait for the connection and enjoy the Internet.