|Note: This documentation refers to Gravio 3.8 or older. For Gravio 4 or newer, please refer to the respective documentation on doc.gravio.com .|
Please shut down the Gravio Hub by pressing and holding the button next to the plug. Keep pressing the button until the Logo has cycled through Blue, then Yello, Red. Once on red, please release the button. The logo will turn off. Once the light is off, it means your Gravio Hub has properly shut down and you can unplug your device.