What should you do if v2rayNG won’t connect? This guide helps you distinguish between a failed node, an Android VPN conflict, a DNS resolution issue, and a browser setting problem. Troubleshoot in order, changing just one setting at a time and testing again to avoid making a confusing tangle of changes.
1. First, check your basic network connection and node
- Close v2rayNG and use your browser to open a website you can normally access directly. If that doesn’t work either, first check your Wi-Fi, mobile data, or network sign-in requirements.
- Check your phone’s date, time, and time zone. We recommend enabling automatic settings. An incorrect time can cause TLS certificate validation to fail.
- Update your subscription, select a node again, and then connect. If the update fails, check that the subscription URL is complete and hasn’t expired. Don’t submit a private subscription to an unfamiliar checker website.
- Test the selected node’s connection; menu names may vary by version. Then compare it with an available node from a different source. Don’t judge based on a single latency result.
A latency reading doesn’t guarantee that webpages will open: even if the port is reachable, requests may still fail because of authentication, transport settings, or an issue with the exit connection. Free nodes may also stop working temporarily. You can compare with a recent node from this site, but its availability isn’t guaranteed.
2. Check VPN permissions and proxy scope
When starting up, make sure you’ve granted Android VPN permission. Temporarily turn off other VPNs, accelerators, and ad-blocking apps that use a local VPN mode. These tools usually can’t share the VPN connection. If the connection drops shortly after starting, allow v2rayNG to run in the background in your system’s battery settings, and keep the app in the foreground while testing.
Check whether per-app proxy settings exclude your browser or allow only other apps. To troubleshoot routing, temporarily switch to the client’s global proxy mode and test again. If that fixes the issue, switch back to split tunneling as needed. Global mode can help identify proxy scope, but it won’t fix a failed node.
3. Distinguish between IP, DNS, and browser issues
The node server IP is the connection entry point; the exit IP is the address websites see as the source of your traffic. They aren’t necessarily the same. If the IP shown by a website hasn’t changed, traffic may be going directly, the browser may not be included in the proxy, or the result may be cached. This alone doesn’t prove that the node has failed. Don’t replace a node’s domain with an IP address without a good reason, as this may break certificate validation.
If the logs repeatedly show domain resolution failures or DNS timeouts, note your original settings, then temporarily set Android’s “Private DNS” to Automatic. Check whether v2rayNG has an unreachable custom DNS configured. If your browser uses custom secure DNS, you can temporarily turn it off and compare. Change only one DNS setting at a time; if it doesn’t help, restore it to avoid masking the cause with conflicting settings.
If other apps work but your browser doesn’t, first try another browser or an incognito window, then check extensions, custom proxy settings, and site cache. Incognito mode doesn’t automatically change your exit IP. If only one website returns an error, the site may have its own restrictions; it doesn’t necessarily mean the entire connection is down.
4. Narrow down the issue using the logs
Clear the old logs and reproduce the issue once: “timeout” commonly indicates an unreachable route; “authentication failed” means you should check your credentials; and TLS or certificate errors call for checking the time, server name, and configuration source. Error messages are clues, not a reason to disable certificate validation. When asking for help, provide the client version, network type, and redacted logs. Hide your subscription URL, UUID, password, and any other credentials so the issue can be diagnosed safely.