1) Mobile device:

​ Tap [More] → [Data Management] → [Map Data Management]. On the [Map Data Management] page, tap [Check Updates]. If you need to update the map data, tap [Update Map].

2) PC:

​ Option 1: Choose [System] > [Data Management] > [Map Data Management]. In the [Map Data Management] dialog box, click [Check Updates]. If you need to update the map data, click [Update Map].

​ Option 2: Choose [Operations] > [Go to Current Map Website]. Compare the map on the website with the map in QubiMap. If there are differences, you can right-click on the map in QubiMap and select [Refresh] to update the map data.