Why do some iPhone chargers lock on better than other iPhone chargers to the same phone?

Question

Why do some iPhone chargers lock on better than other iPhone chargers to the same phone?

In: Technology

Answer 1

There are like dimples on the side of the connector, the shape of the dimples determines how well it locks on, and after a while the dimples wear out, and some aftermarket chargers have slightly differently shaped dimples that lock differently