EN VPN Not Connecting? A 5-Step Fix That Solves 90% of Problems VPN won't connect? Firewall bypass suddenly failing? Don't panic — follow this 5-step troubleshooting guide: check your base connection, update and restart your VPN app, switch servers, flush DNS and check firewalls, and try advanced protocol switching with obfuscation mode. Includes China-specific GFW solutions, iPhone and Android troubleshooting tips, and backup tool recommendations. 小安 · Mia 2026-04-20