This article addresses the common issue of “what to do if v2rayNG won’t connect,” focusing on troubleshooting from several angles: node status, local IP, DNS, system proxy, and browser environment. It is suitable for users who have already imported VLESS, VMess, or Trojan nodes, but see timeouts, handshake failures, or can connect but cannot access the internet on their phones.
1. First, confirm the node and basic v2rayNG settings
Many connection failures are not caused by a broken client, but by incorrect node information, time settings, or routing configuration. It is recommended to go through the following checks first:
- Open v2rayNG and confirm that the correct node is selected; do not stay on an empty configuration or an old node.
- Tap the menu in the upper-right corner and select “Test all configurations with real connection” or a similar test option to see whether everything times out.
- Check whether your phone’s system time is accurate. Excessive time deviation can cause TLS handshake failure.
- Go to the node edit page and confirm that the address, port, UUID, transport protocol, TLS, SNI, and other settings were not accidentally deleted.
- If you use a subscription, update the subscription first, then reselect a node to connect.
If you are using the free nodes provided by this site, it is recommended to copy and import the full subscription link first to avoid missing parameters when pasting manually. Free nodes are affected by the number of online users and network fluctuations, so occasional failures are normal; you can switch nodes for testing.
2. IP and network environment can affect the connection
If the same node does not work on Wi-Fi but works when switched to mobile data, this usually indicates that the problem lies in the current network environment. Some public Wi-Fi networks, corporate networks, and campus networks may restrict proxy connections or block certain ports.
- First turn off v2rayNG and use your browser to open a normal website to confirm that the local network itself is working.
- Switch between Wi-Fi and mobile data for testing to determine whether a specific network is imposing restrictions.
- Restart the router or phone, obtain a new IP, and then try connecting again.
- If the IP does not change after connecting, the system VPN permission may not have taken effect; disconnect and reauthorize it.
After a successful connection, you can visit an IP lookup website to check whether the outbound IP has changed. If v2rayNG shows as connected but the IP is still that of your local carrier, you usually need to check whether Bypass LAN and Mainland China addresses, per-app proxy, or routing rules are enabled.
3. Incorrect DNS settings can cause “connected but nothing opens”
DNS problems often appear as follows: v2rayNG is connected, but some websites will not open, or the browser shows DNS_PROBE_FINISHED. In this case, the node may not necessarily be invalid; rather, domain resolution may not be taking the correct path.
In the v2rayNG settings, you can check options such as “Domain Strategy,” “Remote DNS,” and “Routing Mode.” Ordinary users are advised to use the default configuration first; if you previously changed DNS settings, try restoring the defaults, or set Remote DNS to a common public DNS server. Do not modify DNS simultaneously in multiple accelerators, Private DNS, or ad-blocking apps, as conflicts are likely.
4. The browser and system proxy environment should also be checked
If only one browser cannot open websites while other apps work normally, the issue is most likely with the browser environment. For example, a proxy extension installed in the browser, enabled Secure DNS, or cached old DNS resolution can all affect access.
- Try a different browser, such as Chrome, Edge, or Firefox.
- Disable proxy extensions, ad-blocking extensions, and Secure DNS in the browser.
- Clear the browser cache, or revisit the site in an incognito/private window.
- Check whether v2rayNG has “Allow connections from LAN” enabled; for normal use on the phone itself, this usually does not need to be turned on.
In addition, some Android systems restrict VPNs running in the background. If it disconnects after the screen is locked, add v2rayNG to the battery optimization whitelist and allow it to run in the background.
5. Quickly determine whether the problem is with the node or the device
The simplest method is cross-testing: switch networks with the same node, switch nodes on the same network, or switch clients with the same subscription. If multiple nodes all fail, first check the phone’s network, DNS, time, and permissions; if only one specific node fails, that node is usually temporarily unavailable.
In summary, when you encounter v2rayNG won’t connect, do not just keep tapping Connect repeatedly. Troubleshoot in the order of “node information → network IP → DNS → browser → system permissions,” and you can usually identify most issues. If it still cannot be resolved, delete the configuration, re-import the subscription, and update to the latest version of v2rayNG before testing again.