Type in a few numbers and symbols on your dialer and discover powerful tools, system info, and settings buried deep in your phone.

The upgraded assistant is free for Prime members, while others need to pay $19.99 a month.

Alexa+ is finally widely available to US users. You can sign up here to get access or wait until your existing Echo devices prompt you to upgrade. If you buy a new Echo device, you'll also get Alexa+ ...