This article addresses the common question, “What should I do if v2rayNG won’t connect?” It focuses on troubleshooting four areas: your phone’s network, node import, system permissions, and client settings. It’s suitable for users who are new to V2Ray/VLESS nodes. Follow the steps below to identify most connection issues.
1. Check whether the network itself is the problem
Many connection failures aren’t caused by incorrect v2rayNG settings; they’re due to restrictions on the current network. Start with these basic checks:
- Close v2rayNG and open a local website in your browser to confirm that your phone can access the internet.
- Switch between Wi-Fi and mobile data to test the connection. Some campus and corporate networks restrict proxy connections.
- Turn off battery saver or data management features, as some phones restrict VPN connections in the background.
- If you’re using public Wi-Fi, complete the web login first, then open v2rayNG.
If you can connect over mobile data, your Wi-Fi network may be restricted. If the connection fails on every network, continue by checking the node and client.
2. Check that the node is working and was imported correctly
In v2rayNG, long-press the current node and select “Edit” to check whether the address, port, user ID, encryption, transport protocol, TLS, SNI, and other details are blank or incorrect. If your connection was interrupted while importing a subscription, the node information may be incomplete.
- Subscription users: Tap the menu in the top-right corner and select “Update subscription.” Then select the node again.
- Manual import users: Make sure you copied the entire vmess, vless, trojan, or shadowsocks link.
- If a free node from this site won’t connect, try another one. Free nodes are more likely to be affected by availability and network conditions.
If you’re new to this, avoid changing node parameters, especially fields such as TLS, transport protocol, and SNI. A single incorrect setting can prevent the connection entirely.
3. Check that v2rayNG is configured correctly
On the v2rayNG home screen, select a node and tap the Connect button in the bottom-right corner. The first time you connect, Android will ask for VPN permission. You must tap Allow. If you denied the request by mistake, clear v2rayNG’s permissions in system settings and try again.
Also check the routing mode. If you’re new to this, start with “Bypass LAN and mainland China addresses” or the default rules. Avoid creating custom rules right away. To test the connection, visit a common test site in your browser or check the v2rayNG logs for messages such as timeout, connection refused, or handshake failed.
4. Use the logs to identify common errors
- timeout: Usually indicates an unreachable node, network blocking, or a poor connection. Try a different network or node.
- connection refused: The node’s port may be unavailable. You’ll usually need to switch to another node.
- TLS handshake failed: Often caused by mismatched TLS, SNI, Reality, or other parameters. Reimporting the subscription is usually the safest option.
- Connected, but webpages won’t load: Check whether private DNS, an ad blocker, or another VPN is enabled.
Finally, keep only one proxy app running at a time. Running Clash, sing-box, and v2rayNG simultaneously can cause conflicts. Remember this troubleshooting order: check the network, try another node, update the subscription, then check the logs. This makes it easier to resolve the issue of “what to do when v2rayNG won’t connect.”