Online geographic information systems (GIS) platforms, such as ArcGIS Online and Portal for ArcGIS, host maps that you can open on your Windows Phone device. To see the available content, connect ArcGIS for Windows Phone to an online GIS. Once you have a connection you no longer use, you can remove it from the app by taking the following steps:
The connection page displays.
The context menu for managing connections appears.
The connection and all its setting are removed from your phone.