Final answer:
To check for a VPN on an iPhone, go to Settings > General > VPN. If there are configurations listed, you have VPN settings established. An active connection is indicated by a VPN icon in the status bar.
Step-by-step explanation:
To check if you have a VPN installed on your iPhone, you can follow these steps:
- Open the Settings app.
- Tap on 'General'.
- Scroll down and select 'VPN'.
- If you see any profiles under 'VPN Configurations', your iPhone has VPN settings established.
- Additionally, if a VPN is actively connected, you'll see a 'VPN' icon in the status bar at the top of your screen.
Note that just having VPN configurations does not necessarily mean a VPN is always active; it indicates that you have the setups ready to connect when you choose to.