For most people, just buy the cheapest one with the form factor you like the best. Unless there’s something the other models have that you need/really want. I m

For most people, just buy the cheapest one with the form factor you like the best. Unless there’s something the other models have that you need/really want. I moved from a iPhone 8 to iPhone 12 earlier this year. 12 has faceId instead of touchID and a better camera, but that’s really the only difference I notice. I’m not even sure I like faceId better than touchID. But yeah, it sucks.