Why a VPN won’t connect on some Wi-Fi, and what to try

Draft outline. Some networks shut the door on VPNs. How to tell what is blocking you, and which protocol to try next. Target keyword: “vpn not connecting on wifi”. Links to /bypass-vpn-blocks/, /vpn-for-school-and-work-wifi/, /protocols/openvpn/ and one call to action to /download/, with real Android screenshots and a short “Doing this in Tunnexa” box.