I am not sure about the D58, but if you turn on the drone first, try holding down both control sticks and then turn on the remove controller. That might fix it. It does with the Dreamer.
I don't like using my phone because the image is so small. I have a 10" tablet and an adapter to attach it to the remote control. Using the cable to attach it to the controller, I have never had a problem with the app.
Whether you are "out in the boonies" or the middle of a city in the US, the altitude limit is STILL 400 feet AGL. Aircraft still fly "out in the middle of nowhere" especially aircraft like crop dusters and recreational pilots (real pilots like me) flying light civils. If you are going to fly...