Classic BlackBerry phones stop working Jan. 4

(CNN) — It's the end of an era.

If you still have a classic BlackBerry, you won't be able to use it, not even to call 911.

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The company says it will no longer support devices running BlackBerry 10, 7.1 OS and earlier. Although devices running on Android software will still work.

Most users have moved on from their BlackBerry phones, but in 2012, 80 million people had one.

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BlackBerry ultimately couldn't compete with the Apple iPhone, and the company now focuses on providing security software and services to enterprises and governments.

The company now focuses on providing security software and services to enterprises and governments.