FortiOS can connect to FortiExplorer Android over USB.
Android 4.4W and later is required to use this feature.
Download the FortiExplorer app from the Google Play store and install it on your Android device.
Connect the Android device to the FortiGate with a USB cable. FortiExplorer detects the FortiGate and the login screen appears.
Log in to the FortiGate.
Tap the menu icon in the upper left corner of the screen to manage or configure settings.
Network > Interfaces screen: