Preheat the air fryer to 350°F
Wrap ribs loosely in foil if you want to keep them extra moist
Place the ribs in a single layer in the air fryer basket
Reheat for 5 to 8 minutes
Flip the ribs halfway through
Check that the ribs are heated through to your desired temperature
Brush with extra sauce during the last 1 to 2 minutes if desired
Let the ribs rest for 1 to 2 minutes before serving