iOS -. Go to the DJI GO app. Check that there are no warnings and that you can take a photo. Close the GO app, unplug the USB, reconnect via USB, and choose DroneDeploy from the pop-up. Android -. Close the DJI GO app. Go to Settings>Apps>DJI GO 4. Scroll down to select 'Set as Default'. Click on 'Clear Defaults'. The Phantom 4 also includes an array of downward-facing cameras and sonar sensors that enable a Visual Positioning System, allowing the drone to know where it is without completely relying on GPS. Connection problems. Sometimes connection problems will lead you to think the drone is not working, so follow this. Pressing the LED light on the front for three seconds, or until you hear a beeping sound. If you hear a beeping sound it means your drone works it is just the LED light that is not working. By pressing the button you will reset .

dji phantom 4 camera not working