Many modern vacuum cleaner robots offer Wi-Fi connectivity, allowing users to control and monitor the robot remotely through a smartphone app. However, complications can arise with the Wi-Fi connection, preventing the robot from connecting to the app or experiencing intermittent disconnections. To troubleshoot Wi-Fi connectivity problems, users can try resetting the robot's Wi-Fi settings, ensuring that the robot is within range of the Wi-Fi router, and checking for any potential interference from other devices. If the issue persists, contacting the manufacturer's customer support can provide further assistance.