D-Link DSL-3590L User Manual page 23

Section 3 - Getting Started
6. You can now use the mydlink SharePort app interface to stream media
and access files stored on your removable drive. The wireless icon at
the bottom will be lit green to indicate you are connected to the router
through Remote Access. If you need to change your settings, tap the
gear icon at the top right corner to enter the settings page.
7. If you have more than one device registered to your mydlink account,
you can tap Device List (in the top-left corner) and you will be
prompted to select the device you wish to use.
Note: If you see a red wireless icon, your router's network environment may not
be suitable for a direct network connection and you may experience slow
network speeds.
D-Link DSL-3590L User Manual 19