This article addresses the problem of what to do when v2rayNG won’t connect on Android. It focuses on low-risk troubleshooting: without changing complex settings or tinkering with the server, check the node, subscription, system permissions, and current network one by one to determine whether you need to switch between Wi-Fi and mobile data or try a different node.
1. First, rule out basic configuration issues
Many connection failures aren’t caused by an unavailable node, but by issues with importing, permissions, or routing settings. Check the following in order, reconnecting after each step.
- Open v2rayNG and make sure a node is selected, rather than an empty or test configuration.
- Tap the menu in the top-right corner and use “Test all configurations for real connectivity” or a similar test feature to see whether only one node is failing.
- If you use a subscription, update it first. If you copied a free node from this site or another source, copy it again to make sure no characters are missing from the link.
- When you connect for the first time, Android will prompt you to grant VPN permission. You must tap Allow. If you denied it by mistake, clear the app’s default permissions in system settings and try again.
- Check that your phone’s clock is accurate. We recommend enabling “Set time automatically,” since an incorrect time can cause TLS connection issues.
If the test shows that most nodes are failing, don’t immediately start changing transport protocol settings over and over. For most users, it’s better to start with low-risk steps such as trying another node, switching networks, or restarting the client.
2. Determine whether you need to switch networks
Switching networks means moving from your current Wi-Fi to mobile data, or from mobile data to another Wi-Fi network. This can help diagnose issues caused by restrictions on carrier, campus, workplace, or public hotspot networks.
- If the same node works at home but not at work or school, the current network may be restricted.
- If domestic websites load normally but v2rayNG keeps showing a timeout or “context deadline exceeded,” try switching networks.
- If a public Wi-Fi network requires web-based authentication, open any webpage in your browser and complete the sign-in first, then connect with v2rayNG.
- If you can connect using mobile data but not Wi-Fi, the node may be fine. The issue could be a Wi-Fi DNS, gateway, or firewall restriction.
Switching networks is a low-risk step that won’t damage your configuration and doesn’t require any knowledge of protocol details. We recommend disconnecting v2rayNG, switching networks, waiting 10 seconds, and then tapping Connect again.
3. How to troubleshoot nodes and subscriptions
Free nodes can vary in availability, so occasional outages are normal. If you can’t connect, try testing 2–3 nodes from different sources or regions. This site also provides free nodes and import guides, which can be useful for temporarily checking whether the client is working properly.
If only one node fails, simply try another. If all nodes fail, focus on checking the client version, system VPN permissions, and network environment. When updating v2rayNG, install the latest version from a trusted source. Older versions may not support some newer configuration formats.
4. What to do if you still can’t connect
Don’t change fields such as the UUID, address, port, encryption method, or transport layer in a node at random. These values must match those provided by the node provider, and changing them incorrectly will make the connection fail. Instead, you can delete the old configuration, reimport the subscription, restart your phone, or test another network.
Remember this troubleshooting order: test the node first, switch networks next, and reinstall the client last. If you can’t connect on mobile data or multiple Wi-Fi networks, and several nodes are failing, then consider uninstalling and reinstalling v2rayNG. Save your subscription or node links before reinstalling to avoid losing your configuration.
In summary, if v2rayNG won’t connect, there’s no need to start by digging into complex settings. Work through permissions, subscription, node, network environment, and client version in that order to quickly identify the issue. If all nodes time out on a particular network, switching networks is the simplest and lowest-risk way to diagnose the problem.