After waiting for a few seconds, tap the same button to reconnect.
Open the VPN app on your iPhone and tap the Disconnect button to stop using it.
Disconnect and reconnect from the VPN app
So, the first step is to ensure your iPhone has an active internet connection. The installed VPN app on your iPhone can only connect to its servers and work successfully if your device’s Wi-Fi or cellular data are working correctly. Make sure Wi-Fi or cellular data is working