Is there anyone knowledgeable about Logitech combo touch iPad pro protective case? Where can I repair it?

The after-sales service directly said that it was discontinued and out of stock, and asked to replace it with a product of the same value. It could not be repaired and was under warranty Looking for a place where a third party can repair it. Problem: There is no button feedback in one corner of the trackpad, which is similar to the feeling that the mouse is broken