Has he had any phone before the iPhone? If it’s a cheap android, any iPhone that’s on the latest iOS will do. Even a Xs or 11. If he’s had a decent android, you should probably go for a 12 or 13.

Tip from someone who’s not a parent: If he’s ungrateful, take it and use it yourself to spite him.

Back tap. Very useful (mine is double tap for flashlight and triple for a quick note)