Dear users,
Due to partner and regulatory constraints in China, some China Mobile–related routes may be unstable or temporarily unavailable. In addition, legacy VPN protocols (such as IKEv2 and L2TP) are heavily disrupted in many environments today, so reliability can no longer be guaranteed.
Legacy apps and manual profiles: for these reasons and as part of our infrastructure changes, older app builds no longer have supported working routes. Manually downloading configuration profiles for third‑party clients is no longer supported, because the backing servers for that workflow have been retired. Continuing to publish those instructions would be misleading.
We strongly recommend removing legacy clients and installing the latest official 5UF VPN app from the App Store / Google Play or our official download page. The latest release offers more features, better performance, and broader server/protocol support for today’s networks.
If you need help upgrading or run into issues on the new app, contact support via in-app tickets or our website.
Thank you for your understanding.
— The 5UF VPN Team
