A VPN, or virtual private network, on an iPhone is a simulated point-to-point connection that enables the iPhone to communicate securely over a public network using Wi-Fi or a cellular data network. A VPN can be set up u... More »

Access to VPN Unlimited is not free; it is a subscription-only service. However, there are other virtual private networks (VPNs) that offer free service, with limitations, but can be used as another means of connecting t... More »

The most popular free VPN service is the cross-platform Cyberghost VPN as of 2015. On BestVPN.com, Cyberghost was named the best free VPN for Windows, Mac, Linux and mobile because of its high speeds and unlimited use. O... More »

www.reference.com Technology Internet & Networking

A VPN connection is used to provide a reliable and secure connection to a private network using the Internet or an existing public network. VPN connections are used to provide security when exchanging data or communicati... More »

A VPN, or virtual private network, works by using a public network to route traffic between a private network and individual users. It allows users to share data through a public network by going through a private networ... More »

Because you cannot use FaceTime on an iPhone 4 over a cellular network, you must connect your iPhone to a Wi-Fi network before FaceTime can work. Newer versions of the iPhone allow users to connect to FaceTime over cellu... More »

www.reference.com Technology Mobile

A iPhone 5 user can print from his phone if the color printer is AirPrint-enabled and both the printer and iPhone are connected to Wi-Fi. As of 2015, most major printer brands are AirPrint-enabled. More »

www.reference.com Technology Mobile