It was one for me. Tightened, pulled down a little until the length of the bracket fitted, broken on one side. Sony didn't cover anything under warranty, nor did Digitec.

Hello
Once you've been warned about the fragility of the hull, you have to be careful when handling it to adjust it.
That's all, after that the hulls are solid!

Hi,

The design of the Sony WH-1000XM5 emphasises durability while maintaining a lightweight feel.
The connection between the headband and earcup is designed for regular use and offers a good balance between flexibility and strength.
balance between flexibility and strength. It is designed to withstand normal wear and tear.
However, please note that the earcups are not fully foldable. Therefore, avoid applying excessive force.

Sony Europe

Purchased in July 2023 and used several times a week since then. Nothing has broken and the quality is still the same as on the first day. I think it always depends on how you handle the hardware. The only thing that bothers me is 360 Reality Audio, as this requires an additional plan.