Place your leftover fried shrimp in a single layer in the air fryer basket, without overcrowding.
Reheat for about 3 to 4 minutes.
Check if the shrimp are crispy and golden-brown. If not, cook for another minute or two. Ideally, use a meat thermometer so you can check that you are reheating to a safe temperature (165F). See main article for more details on that.
Serve immediately with lemon juice or your favorite dipping sauce.