This article addresses the common question, “What should I do if v2rayNG won’t connect?” Follow this checklist to troubleshoot your phone’s network, imported nodes, proxy mode, and system permissions, and quickly find the cause on your Android device.
1. Check your connection and network environment
Many connection failures aren’t caused by a faulty client. Your current network or system settings may be preventing the proxy from starting properly. Start with these basic checks:
- Switch networks: Try switching between Wi-Fi and mobile data in case one network is restricting the connection.
- Close other VPNs: Android can usually run only one VPN service at a time. Exit any other VPNs, including accelerators, ad-blocking VPNs, and company VPNs.
- Check your device’s clock: Go to system settings and enable “Set time automatically.” An incorrect time can cause TLS certificate validation to fail.
- Check battery restrictions: Add v2rayNG to your battery optimization allowlist to prevent the system from shutting it down in the background.
- Check for a sign-in page: Public Wi-Fi may require web authentication. Open a website in your browser and complete the sign-in first.
If you’re using a free node provided on this site, check the node’s page for updates. Free nodes may expire or be temporarily unavailable.
2. Check that the node configuration is correct
Incorrect node settings are a common cause of v2rayNG connection failures, especially when copying a share link or entering server details manually.
- Open v2rayNG, long-press the current node, and select “Edit.”
- Check the address, port, user ID, encryption method, transport protocol, and security type. Make sure you haven’t copied any extra spaces.
- For VLESS, VMess, or Trojan nodes, make sure the TLS, Reality, WebSocket path, Host, and SNI fields match the source.
- Return to the main screen, tap the three-dot menu in the top right, and select “Test all configurations with real connection” or test the latency.
- Delete any nodes that clearly show errors or unusually high latency, then try another node.
If you imported nodes from a subscription, try tapping “Update subscription” first rather than editing individual nodes repeatedly. An expired subscription URL, an incomplete copy, or line breaks automatically inserted by a browser can all prevent the imported nodes from connecting.
3. Check the v2rayNG proxy settings
If the node seems fine but websites won’t open, check whether the proxy is actually active. Select a node before connecting, then tap the start button in the lower-right corner. A key or VPN icon in the status bar indicates that the connection is active.
Open v2rayNG settings. Most users can leave the defaults as they are. If you’ve changed per-app proxy settings, the routing mode, or LAN bypass options, restore a standard configuration to test: set routing to “Bypass mainland China addresses” or “Global.” Try visiting a commonly used international website in your browser; don’t use an app that only works with a domestic network to test the connection.
If some apps can’t access the internet, check whether per-app proxy is enabled for only a selected set of apps. If none of your apps can access the internet, the problem is more likely related to the node, network, or permissions.
4. Common errors and how to fix them
- Connection timed out: The node may be unreachable, the port may be blocked, or the current network may be restricting the connection. Try a different network and node.
- TLS handshake failed: Check your phone’s time and the SNI, TLS, and Reality settings. If needed, import the subscription again.
- failed to read response: The transport protocol, path, or Host may not match. Avoid changing these settings manually.
- Disconnects immediately after starting: Check whether another VPN is already in use or the system is preventing v2rayNG from creating a VPN connection.
5. Recommended troubleshooting order
Don’t start by reinstalling the client. You can troubleshoot faster by following this order: switch networks, update the subscription, then test two or three different nodes. If it still fails, check your phone’s time, close other VPNs, and restore the default routing settings. Only then upgrade v2rayNG to the latest version. If nodes from multiple sources all fail to connect, the problem is probably with your local network environment or system permissions.
In summary, v2rayNG connection failures usually come down to one of four causes: network conditions, an unavailable node, a subscription error, or a permissions conflict. Work through this checklist to determine whether the problem is with the node or your phone, then update the subscription, switch nodes, or adjust the settings as needed.