iPhone 15 Volume Button Need to be Replaced

Just a few months after buying my iPhone 15, I've run into an annoying problem with the volume button. At first, the button started to feel less firm, which made it a bit challenging to press. This issue escalated to the point where the button stopped working completely. Looking for a solution, I decided to pay a visit to Troy, an authorized Apple retailer. A staff member quickly attended to the area around the button, using a cloth to address the problem for the time being. Unfortunately, the issue has returned, resulting in a volume button that continues to malfunction on a regular basis. Considering the frequent occurrence of this issue, it seems like replacing the faulty button is the best course of action. I have some concerns about the current button. It seems to be defective and could deteriorate even more, possibly resulting in complete failure. I would appreciate it if Troy or Apple could help me resolve this issue by replacing the volume button with a working one.