Apple started as a computer company, but is currently one of the most influential smartphone makers out there (in fact, most of the company's profits come from the iPhone). However, Apple is the exception - most computer companies struggled and gave up the phone-making business. HP is the largest PC manufacturer in the world. It even found success in the mobile game early on with its iPAQ Pocket PCs (started by Compaq, which was acquired by HP). After those died off, the company regrouped and bought Palm. We saw a few webOS devices - phones and tablets - however, it was all over in a...
Source: https://www.gsmarena.com/counterclockwise_computer_makers_fail_at_making_phones_time_and_again-news-34936.php