This article addresses the common question “What should I do if v2rayNG won’t connect?” Follow this checklist to troubleshoot your phone’s network, system time, node details, subscription updates, and app settings. It’s intended for everyday Android users and doesn’t cover setting up your own server.
1. First, check that your connection environment is working properly
Many connection failures aren’t caused by a faulty node. The current phone environment may be preventing v2rayNG from establishing a tunnel. Start with these basic checks instead of repeatedly uninstalling and reinstalling the app.
- Switch networks: Test both Wi-Fi and mobile data. If your workplace, school, or hotel Wi-Fi has strict restrictions, try mobile data first.
- Turn off other proxy tools: If Clash, sing-box, a browser proxy, or a network accelerator is also running, it may take over the VPN connection. Quit all other tools first.
- Check the system time: A significant time discrepancy on Android can cause TLS handshake failures. In system settings, enable “Set time automatically” and “Set time zone automatically.”
- Check permissions: The first time you connect, Android will ask for VPN permission. Tap “OK.” If you denied it by mistake, restart v2rayNG and try connecting again.
- Check battery restrictions: Some phones restrict background network access. Disable battery optimization for v2rayNG and allow background data.
2. Check that the node and subscription are working
If your connection environment is fine, check the node next. Free nodes often stop working because they expire, become congested, or get blocked. This is normal. This site compiles free nodes you can import, but it’s a good idea to have several backups as well.
- Update the subscription: Open v2rayNG, tap the menu in the upper-right corner, select “Update subscription,” and wait for it to finish before testing again.
- Test the latency: Long-press a node or use the test option in the upper-right corner. A timeout doesn’t necessarily mean the node can’t be used, but try a node with a normal latency first.
- Check the configuration format: Don’t manually edit VLESS, VMess, Trojan, or other links. When copying from a webpage, make sure you don’t include extra spaces, line breaks, or Chinese punctuation.
- Check the expiry date: If you’re using a subscription link, check whether the source page says it has been updated. An outdated subscription may import successfully but still not work.
3. Check the settings in v2rayNG
Open v2rayNG, select a node, then tap the circular button in the lower-right corner to connect. Once connected, a VPN icon should appear in the status bar. If the icon appears but webpages won’t load, try the following.
- Go to “Settings” and make sure “Routing settings” hasn’t been accidentally set to bypass the proxy entirely. If you’re a typical user, start with the default settings or test with the global proxy.
- Before trying options such as “Fragmentation,” “Mux,” or “Bypass LAN,” restore the defaults first to avoid making things more confusing.
- Test different websites in your browser rather than relying on a single app. Some apps’ caches or DNS settings can affect the results.
- If you see a core startup failure message, upgrade v2rayNG to the latest version or reinstall it from a trusted source.
4. How to handle common error messages
“Connection timed out” usually means the node is unreachable or the current network is restricting the connection. Switching networks or nodes is usually the most effective fix. “TLS handshake failed” is often caused by an incorrect system time, an SNI mismatch, or an unavailable node. “Connection refused” usually means the server port is unavailable; as a regular user, simply switch nodes. If name resolution fails, try switching networks or updating the subscription.
Here’s a practical order to follow: switch networks, correct the system time, update the subscription, and then switch nodes. Don’t repeatedly change advanced settings you don’t understand. If several nodes all fail, wait a while and try again, or import a new subscription source. Change just one thing at a time while troubleshooting so you can tell which step fixed the problem.