What navigation software does Samsung I9 use?

some Samsung mobile phones have built-in high-tech navigation. the usage of high-tech navigation software is as follows: open the navigation software, accept and enter. if "data download management" is prompted, please download the required city map, and then click the menu button-more functions-data download management-downloaded (check whether it is in it). If the data packet you downloaded is in it, then when you navigate in the search route, the system will automatically call a more comprehensive offline map (for example, if you don't download the offline data packet from Xi 'an, then the system will automatically call the national road network data packet you downloaded). Some Samsung mobile phones have built-in online navigation such as Baidu and Tianyi. Please turn on the data or wireless network, and click the software to enter and directly search for navigation.