I have the iPhone 11 Pro Max, since launch, with Siri enabled since launch. It's only ever worked with 'hey siri', and apparently my button is off. I didn't eve

I have the iPhone 11 Pro Max, since launch, with Siri enabled since launch. It's only ever worked with 'hey siri', and apparently my button is off. I didn't even know the button existed until the other reply to my comment!