A method for providing a content by means of a device that includes at least two or more displays comprises displaying a first content on a first display area and displaying a second content on a second display area, the first content including XR content for navigation and the second content including information related with the navigation, and upsizing a size of the first display area and downsizing a size of the second display area in accordance with a user input signal. Also, the first content including XR content for navigation and the second content including information related with the navigation, and a controller upsizing a size of the first display area and downsizing a size of the second display area in accordance with a user input signal.