Open Settings
Tap VPN
Turn off the VPN toggle
If you do not see VPN, tap General
Tap VPN & Device Management
Tap VPN
Turn off the VPN toggle
If connected through a VPN app, open the app
Tap Disconnect or Turn Off
Delete the VPN profile if needed
Go to Settings
Tap General
Tap VPN & Device Management
Tap VPN
Tap the info icon next to the VPN profile
Tap Delete VPN
Confirm deletion