If you can't connect to your Volumio device from the app, follow these steps in order.
Check the LED. When the device is ready, the LED turns blue. If it stays green, see the article about the green LED. If it doesn't turn blue, unplug the power and all cables for 2 minutes, then reconnect only the power.
Make sure your phone and your Volumio device are on the same network (not a guest network or a separate extender network).
Delete the Volumio app, install it again and search for your device.
Try to open the device from a browser, for example
http://rivoplus.localorhttp://rivo.local, or use the device's IP address, which you can find in your router's list of connected devices.Restart your router.
If you use Wi-Fi, connect the device to the router with an Ethernet cable to check whether it's a Wi-Fi issue. Keep only one connection active: cable or Wi-Fi.
If the device still can't be reached, do a factory reset from a USB thumb drive.
