Especially if you modded the drone (range extension hack, height limit hack), you anyway don't connect it to the phone as it may reverse the hacks. The DJI FPV

Especially if you modded the drone (range extension hack, height limit hack), you anyway don't connect it to the phone as it may reverse the hacks. The DJI FPV has a range of 5+ km with the range extension hack, which ignores local regulations and boosts sending power.