Use the Button Customization section of the DJI FPV drone settings to set one of the button shortcuts to Turtle Mode. When the drone is upside down in Manual mode, Turtle mode can be activated to automatically flip the drone back over.
See the following video from FlytPath for a demonstration showing how Turtle mode works in various situations:
Yes, that would certainly make for an unfortunate scenario. It’s nice that such a feature is available since it could help some get out of a sticky situation. And as DJI continues to improve the DJI FPV drone, perhaps they’ll give us a frame made of carbon fiber (or something with similar strength) so it can survive small crashes.