Any device running on BlackBerry's software after Jan. 4 will "no longer reliably function," according to the company.

"As another milestone in the BlackBerry journey, we will be taking steps to decommission the legacy services for BlackBerry 7.1 OS and earlier, BlackBerry 10 software, BlackBerry PlayBook OS 2.1 and earlier versions, with an end of life or termination date of January 4, 2022," a company statement read.

An individual using a device with the software will not be guaranteed the ability to make calls, text, use data, have an SMS connection, or call the police, according to the statement.

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The company thanked its loyal partners and customers.

"In 2016, BlackBerry Executive Chairman and CEO John Chen announced that the company's transition to a software company was complete," the statement read. "Since then, we've made great strides executing on our business strategy and today, we are focused on providing intelligent security software and services to enterprises and governments around the world."

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Service will be extended until Jan. 4 "as an expression of thanks to our loyal partners and customers," according to BlackBerry.