This article addresses the issue of “What should I do if v2rayNG won’t connect?”, with a focus on scenarios where multiple people or a team share nodes, subscriptions, or accounts: some people can connect while others cannot, or the same node behaves differently on different phones. You can troubleshoot step by step below to determine first whether it is a client settings issue, or caused by the account, network environment, or subscription node stability.
1. First determine whether it is an individual issue or a team-wide issue
When a team is using v2rayNG, do not immediately start reinstalling it repeatedly. It is recommended to do a simple comparison first: at the same time, using the same node, have 2–3 devices test separately. If only one device cannot connect, it is most likely a local configuration, system proxy, DNS, or time issue; if most people cannot connect, the cause may be node failure, abnormal subscription updates, or account concurrency/traffic limits.
- Open v2rayNG, go to the node list, and confirm that the currently selected node was not mistakenly switched to an old one.
- Tap the menu in the upper right corner and select “Update subscription” to make sure team members are using the same version of the subscription.
- Long-press a node and choose “Test all configurations with real connection” or a similar test option, and observe whether all of them time out.
- Switch between mobile data and Wi-Fi for testing to determine whether the issue is related to the current network environment.
2. Check the basic settings of the v2rayNG client
Many connection failures are not caused by a bad node, but by an abnormal client state. First confirm that v2rayNG has been granted VPN permission, that the switch in the lower right corner has been turned on, and that the VPN icon is visible in the notification bar. If it disconnects immediately after being enabled, try turning off power-saving mode, background restrictions, and data saver features.
Next, check the phone’s time. Configurations such as VLESS, VMess, and Trojan are relatively sensitive to time deviation in some scenarios, so it is recommended to enable the system option to “Set time automatically.” If you imported the configuration from a QR code or clipboard and see issues such as a blank node, port 0, or missing address, that means the import was incomplete and you should re-import it from the subscription link.
3. Can the stability of the team account environment affect connectivity?
Yes, especially when multiple people share the same subscription or the same group of nodes. Common symptoms include: some members can connect but experience frequent disconnections; the failure rate increases during peak evening hours; after the same account is online on multiple devices at the same time, a new device cannot connect. This is usually related to account concurrency, traffic quota, node load, and egress network risk control.
- Do not endlessly copy the same configuration to all members; whenever possible, assign subscriptions or nodes by member.
- Keep a unified record within the team of the subscription version currently in use, to avoid someone continuing to use an expired configuration for a long time.
- If multiple people fail on the same node at the same time, switch to a backup node first instead of repeatedly reconnecting to the same node.
- Public Wi-Fi, corporate networks, and campus networks may restrict VPN traffic, so it is recommended to switch to 4G/5G for verification.
4. Recommended troubleshooting order
If v2rayNG cannot connect, it is recommended to handle it in order “from simple to complex”: first update the subscription, then switch nodes; next change networks; then restart v2rayNG and the phone; and finally delete the old configuration and import it again. This site also compiles testable free nodes, which are suitable for determining whether the problem lies with the local device or whether the original node has failed. However, free nodes are usually less stable than long-term maintained subscriptions, so teams should prepare multiple backup routes.
If it still cannot connect, you can send a screenshot of the error message to the administrator or technical colleague, focusing on providing: the client version in use, node name, network type, whether all members are failing, and whether the test result is a timeout or a handshake failure. This makes it much easier to pinpoint the problem than simply saying “it won’t connect.” Overall, the key to team-level troubleshooting is not to look at just one phone, but to compare the account, node, network environment, and client version at the same time.