You can use Siri on an iPhone XR, iPhone XS, or iPhone X in two ways: either with the Side button, or through a "Hey Siri" ...

Being able to restart an iPhone on your own terms is rather useful and sometimes necessary, but not having access to your power button for whatever reason can feel like having one of your arms tied ...

Recovery mode allows you to update or restore your iPhone using a computer with iTunes or Finder. Here's how to access it.