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A VPN (Virtual Private Network) encrypts your internet traffic and routes it through a secure server, protecting your data on public Wi-Fi and reducing tracking. This guide explains what a VPN does, when you need one, and how to set it up on Android.
What a VPN does, and what it does not
A VPN encrypts your internet connection so that anyone intercepting your traffic (for example, on public Wi-Fi) cannot read it. It also hides your IP address from the websites you visit, making it harder to track your location and browsing. However, a VPN is not a complete security solution:
- A VPN encrypts traffic between your device and the VPN server: it does not protect you from phishing or malware
- The VPN provider can see your traffic: choose one with a verified no-logs policy
- A VPN does not make you anonymous; it shifts trust from your ISP to your VPN provider
- Free VPNs are often unreliable or actively sell your data: avoid them for anything sensitive
When you need a VPN
A VPN is most valuable in these situations:
- Using public Wi-Fi in a cafe, hotel, airport, or shopping centre
- Travelling to countries with internet restrictions
- Accessing work systems remotely (your employer may provide one)
- Reducing tracking by your broadband provider
- Accessing services that are restricted to certain countries
Choosing a VPN for Android
With hundreds of VPN apps available, the choice matters. Look for these qualities:
- Independently audited no-logs policy: the provider must not store records of your activity, and should have had this independently verified
- Jurisdiction: choose a provider based in a country with strong privacy laws and no mandatory data-retention requirements
- Open-source or independently audited client: this means the software has been checked for hidden behaviour
- WireGuard or OpenVPN protocol: these are modern, widely audited, and fast
- A kill switch: this blocks all traffic if the VPN connection drops, preventing accidental exposure
- Avoid free VPNs: most free VPN services fund themselves by logging and selling your data
Setting up a VPN on Android
Most VPN providers offer an Android app. The process is usually straightforward:
- Install the VPN app from Google Play: use the official app from the provider's verified developer account
- Create an account on the provider's website and sign in
- When you connect for the first time, Android will ask you to approve the VPN connection request: tap Allow
- Connect to a server: choosing one in the UK is usually fastest for everyday use
- Enable the kill switch in the VPN app's settings if available
- Check the VPN is active: a key icon should appear in your status bar
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