Mobile VPN Leaks: DNS and WebRTC on Android and iOS

Phones roam between Wi‑Fi and LTE. That mobility creates unique DNS and WebRTC leak risks. Android specifics Private DNS (DoT), always-on VPN, and battery optimizations that kill the VPN process. Prefer always-on + block connections without VPN when available. iOS specifics On-Demand rules, Wi‑Fi Assist switching to cellular, and per-app VPN limitations. Retest after airplane-mode toggles. WebRTC on mobile browsers Mobile Chrome/Firefox/Safari still gather ICE candidates. Run WebRTC tests on the phone browser, not only on desktop. Travel checklist Connect VPN before joining airport/hotel Wi‑Fi login if possible; after captive portal, reconnect VPN and retest DNS. Continue reading See VPN for Android , VPN for iPhone , and our Wi‑Fi security pages. Protect yourself with AstraGuard VPN AstraGuard VPN helps keep DNS inside the tunnel with strong encryption, kill switch options, and simple setup on desktop and mobile. Create an account , pick a plan on packages , then verify on privacy tools .