[mikewhy]

Not sure where you got two buttons from. It's only the power button.

[GeekyBear]

On this year's hardware, they have added a new option to temporarily disable biometrics.

You press either one of the volume buttons on one side of the phone while also pressing the sleep/wake button on the opposite side.

http://www.techrepublic.com/article/how-to-disable-face-id-o...

[mikewhy]

Didn't realise the X model did it differently than all others. Weird.

[GeekyBear]

It's also available on the iPhone 8 models.

If history is a guide, this will be a new normal that will carry through to future hardware as well.