This article addresses the common question “What should I do if v2rayNG won’t connect?” and guides beginners through troubleshooting in four areas: phone network, node details, client settings, and system restrictions. Whether you imported a free node, a subscription link, or manually added a VLESS/Vmess node, you can check each item below in order.
1. First, determine whether the issue is with your network or the node
In many cases, v2rayNG won’t connect not because the app is broken, but because of the current network environment, an unavailable node, or an incomplete configuration. Start with a quick check: close v2rayNG and confirm that your phone can open domestic websites normally. If those sites won’t load either, the problem is with your local network. Try switching between Wi-Fi and mobile data.
- Open a browser and visit a commonly used domestic website to confirm that your basic connection is working.
- Switch from Wi-Fi to mobile data, or vice versa, and try again.
- In v2rayNG, long-press a node and use “Test Real Connection” or a similar test feature.
- If multiple nodes fail, check the client and system settings next.
If only one node fails while others work, that node is probably unavailable, expired, or blocked by the network. We also recommend keeping several backup options for the free nodes provided on this site rather than relying on a single address.
2. Check that the node was imported correctly
Beginners most often run into problems by copying an incomplete link, failing to update a subscription, or using an incompatible protocol. v2rayNG supports formats such as Vmess, VLESS, and Trojan, but the link must be complete. After importing a node, open its details and check that fields such as address, port, UUID, transport, TLS, and SNI are not blank or obviously incorrect.
- Subscription users: Open the subscription settings, make sure there are no extra spaces in the subscription link, and then update the subscription manually.
- Copying a node: Make sure you copy the entire link, from vmess://, vless://, or trojan:// through to the end.
- Importing a QR code: After scanning, check that the node name and protocol are displayed correctly before connecting.
If the node list is empty after importing, the subscription address is usually inaccessible, the format is unsupported, or you copied a webpage address instead of a subscription link.
3. Check the v2rayNG client settings
In v2rayNG, first make sure the correct node is selected, then tap the Connect button in the lower-right corner. After connecting, a VPN icon should appear at the top of your phone’s screen. If it doesn’t, the local proxy service may not have started successfully. Try restarting the app.
Beginners should keep the default routing settings and avoid changing advanced options such as routing rules, DNS, and Mux. If you’ve changed a lot of settings, back up your nodes, clear the app data, and import the subscription again. Some phones restrict background activity, so allow v2rayNG to use VPN, access the network in the background, and run without battery restrictions in your system settings.
4. Common errors and how to fix them
If you see errors such as timeout, connection refused, or TLS handshake failed, don’t rush to uninstall the app. A timeout usually means the network can’t reach the node; connection refused may mean the port is unavailable; TLS errors are often related to the domain, SNI, certificate, or device time. First, set your phone’s time to sync automatically, then test nodes in different regions or using different protocols.
You can also try these steps in order: update v2rayNG to a newer version; close any other VPN, accelerator, or proxy apps; restart your phone; switch networks; and reimport the node. Change just one thing at a time so you can identify the actual cause. If all nodes fail on the same network but work after you switch networks, the current network environment is most likely restricting the connection.
5. Final troubleshooting tips
If v2rayNG won’t connect, don’t focus only on the client’s Connect button. The fastest approach is to check these four things in order: your local network is working, the node is available, the configuration is correct, and the system allows the app to run. Free nodes can become unavailable or unstable, so we recommend keeping subscriptions or nodes from multiple sources and updating them regularly. Once you identify whether the issue is with the network, node, or settings, it’s much easier to resolve.