Here are a few general steps you can take to explore VPN apps on your iPhone:

It seems like you might be referring to "Free VPN 1" or "ios1" as a feature or version of a VPN application on an iPhone. However, it's important to clarify your search terms to ensure you find the information you're looking for.

1. Check for Official VPN Apps: Visit the App Store and search for VPN apps specifically designed for iPhones. Examples include "FreeVPN" or "VpnForPhone."

2. Use Established VPN Services: Some well-known VPN services like "Free VPN" or "VpnForAll" offer free trials or limited-time features on iPhones.

3. Explore Custom Features: If "ios1" refers to a specific feature or version of a VPN app, you can explore it by downloading the app and checking its features.

If you have a specific need or are encountering issues with VPN access, feel free to provide more details, and I can offer further assistance!