First, go to http://192.168.31.1/ in your web browser.
Now log in to the admin panel, enter the password that you set when installing the router XIAOMI Mi Router 4A Gigabit Edition.
Now go to Advanced Settings from the top menu and then go to the VPN tab.
Click the Add service button.
Finally, fill in the data in the empty spaces and save the changes by clicking the Save button.
Great! You have successfully configured the VPN settings on the XIAOMI Mi Router 4A Gigabit Edition router.
Click on Disconnect to disconnect the VPN.