To log out of iOS GreenVPN,follow these steps:

1. Access the App: Open iOS GreenVPN on your device.

2. Open Settings: Tap the gear icon on the home screen or the gear icon in the settings menu.

3. Find Sign Out Option: Look for a "Sign Out" button, which may be labeled "Exit," "Sign Out," or similar.

4. Tap Sign Out: Click the "Sign Out" button to exit the app.

5. Exit Manually (if needed): If you can't find the "Sign Out" button, manually tap the gear icon to exit the app.

6. Use Settings (if available): Check if there's a settings menu where you can go to "Sign Out" or similar options.

7. Contact Support: If you still can't log out, contact the app's support team for assistance.

By following these steps, you should be able to log out of iOS GreenVPN effectively.