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Frequently Asked Questions

Six categories of common questions to help you solve any issue quickly

1. Download & Installation

How to download Whirlwind Accelerator?

  1. Visit the official website xuanfengka.com.cn.
  2. Click the Download tab to enter the download center.
  3. Choose your platform such as Windows, macOS, Android or iOS.
  4. Click Download and save the installer.
  5. Run the installer.
  6. Follow the wizard, open the app and sign in.

Which operating systems are supported?

  1. Windows 10 and Windows 11 are supported.
  2. macOS with both Intel and Apple Silicon.
  3. Android 8.0 and above.
  4. iOS 13 and above.
  5. All platforms share the same features and account.

2. Connection & Usage

How to connect to Whirlwind Accelerator?

  1. Open the app and sign in.
  2. The app automatically recommends the best node.
  3. Tap the Connect button.
  4. Wait until it shows Connected.
  5. You can now browse the global network.
  6. Tap Disconnect when finished.

How to switch nodes?

  1. Tap Node List or Select Line.
  2. Nodes are shown by country and region.
  3. Choose your target region.
  4. Tap a node to connect.
  5. Prefer green low-latency nodes for the best experience.

3. Speed & Performance

How to choose the best node for speed?

  1. Prefer nodes geographically closer to you.
  2. Choose the lowest latency node.
  3. Avoid high-load nodes.
  4. Choose a specific country node when needed.
  5. Enable smart routing for automatic matching.

What to do if the network becomes slow?

  1. Switch to another node.
  2. Test direct connection to check local network.
  3. Restart router and device.
  4. Try a different protocol.
  5. Close bandwidth-hungry programs.
  6. Contact support if needed.

4. Account & Subscription

How to register an account?

  1. Open the app and tap Register.
  2. Enter a valid email address.
  3. Set a strong password.
  4. Send and enter the verification code.
  5. Account registration is complete.
  6. Sign in with your new account.

Free vs. paid plans

  1. Free offers basic nodes and speed.
  2. Paid unlocks all high-speed nodes.
  3. Paid has higher bandwidth and lower latency.
  4. Paid supports more devices.
  5. Neither plan records browsing data.

5. Security & Privacy

Does Whirlwind log my browsing data?

  1. We strictly follow a no-logs policy.
  2. We never record browsing history or downloads.
  3. Only connection duration and bandwidth are collected.
  4. All data is AES-256 encrypted.
  5. Your privacy is always protected.

Is it safe to use Whirlwind?

  1. Bank-grade AES-256 encryption.
  2. Strict no-logs policy.
  3. Built-in kill switch.
  4. Self-built and managed nodes.
  5. Safe and reliable by design.

6. Troubleshooting

Connection fails

  1. Check your network connection.
  2. Switch to another node.
  3. Try a different protocol.
  4. Restart the app or device.
  5. Check system time.
  6. Reinstall or contact support.

Connection unstable or drops frequently

  1. Switch to a stable node.
  2. Check Wi-Fi signal.
  3. Turn off battery saver.
  4. Enable auto-reconnect.
  5. Update the app.
  6. Contact support if needed.