This article addresses the question “What should I do if v2rayNG won’t connect?” and focuses on team use cases: some people can connect while others can’t, or connections frequently drop on office, dorm, or corporate networks. Follow the steps below to check accounts, nodes, the client, and network conditions one by one and quickly identify the cause.
1. First, check whether the issue is with the account or subscription
In team settings, a common mistake is assuming a node has failed when the problem is actually with the phone. First, compare subscription details between members who can connect and those who can’t.
- Open v2rayNG, tap the menu in the upper-right corner, and select “Update subscription.”
- Make sure everyone is using the same, up-to-date subscription link, not an old QR code or expired configuration.
- Check that the node name, protocol, and address match, so no one is using an outdated node.
- If the subscription update fails, switch between mobile data and Wi-Fi, then try again.
If no one on the team can connect, the node, subscription source, or upstream network is probably the problem. If only a few people can’t connect, check their device settings and network conditions first. This site also provides free nodes for testing, which can be useful for temporary comparisons, but sharing the same free node among multiple people long-term is not recommended.
2. Check the basic v2rayNG client settings
Being able to import a node into v2rayNG doesn’t guarantee that the proxy will work properly. On devices that can’t connect, check the following:
- Make sure the target node is selected and has a check mark next to it.
- After tapping the connect button in the lower-right corner, check whether the system VPN icon appears.
- Go to “Settings” and make sure “Routing mode” isn’t set to LAN-only or bypass all.
- If “Per-app proxy” is enabled, make sure apps such as your browser, Telegram, and X are allowed to use the proxy.
- Turn off battery saver and background restrictions to prevent the system from stopping v2rayNG.
Many Android phones restrict background VPN activity, so the behavior may vary across team members’ devices. On Xiaomi, OPPO, vivo, and similar devices, grant v2rayNG background running permission and permission to start automatically.
3. Team network conditions can affect connection stability
If the same account works at home but not at the office, the issue is usually related to the network’s outbound connection. Corporate, campus, and public Wi-Fi networks may restrict UDP, TLS handshakes, or uncommon ports, making nodes using VLESS, VMess, Trojan, and other protocols unstable.
- First, test the connection over mobile data. If it works, the account and node are probably fine.
- Then switch to the team’s Wi-Fi. If the connection fails, that network may be restricted.
- Try a node using a different protocol or port—for example, test nodes that use port 443 first.
- Turn off other VPNs, accelerators, and packet-capture tools to avoid network stack conflicts.
If several team members are using the same office network at once, prepare multiple backup nodes rather than having everyone rely on the same connection long-term. This makes it easier to tell whether a single node is congested or the network as a whole is being restricted.
4. How to interpret common errors
The v2rayNG logs can help point to the cause. Tap the menu in the upper-left corner, open “Logs,” and check the most recent lines:
- timeout: Usually means the node is unreachable, the network is blocking the connection, or latency is too high. Try a different network and node first.
- connection refused: The destination port refused the connection, which may mean the node is no longer working.
- TLS handshake failed: Could be caused by a certificate, device time, SNI, or network interference issue. First make sure the phone’s time is correct, then try another node.
- failed to parse: The configuration format is invalid. Try copying the subscription again or importing it from a QR code.
Don’t change a lot of settings at once while troubleshooting. Instead, change one variable at a time: switch networks first, then switch nodes, and reinstall the client only as a last resort. This also makes it easier for team administrators to collect useful feedback.
5. Recommended troubleshooting process for teams
When a team member reports a connection issue, use a standard checklist: device model, network type, node name, error log, and whether the subscription has been updated. Have the administrator ask them to test one public website and one site that requires the proxy, then switch to mobile data and test again.
In short, if v2rayNG won’t connect, it doesn’t necessarily mean the account is broken. In team settings, pay particular attention to whether subscriptions are in sync, nodes are working, network conditions are restricted, and device permissions are configured correctly. Following the steps above will usually help you quickly determine whether the problem is with an individual device, the team network, or a node that needs to be replaced.