Mobile phone commercially available handheld mobile phone. From 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion—enough to provide one for every person on Earth. In first quarter of 2016, the top smartphone developers worldwide were Samsung, Apple, and Huawei, with smartphone sales represented 78 percent of total mobile phone sales. For feature phones (or "dumbphones") , the largest were Samsung, Nokia, and Alcatel. A handheld mobile radio telephone service was envisioned in the early stages of radio engineering. In 1917, Finnish inventor Eric Tigerstedt filed a patent for a "pocket-size folding telephone with a very thin carbon microphone".
Japanese mobile phone culture a leader in mobile phone technology. The first camera phone J-Phone (Stylized as 写メール, which stands for Photo-Mail) was released in November 2000, and not only included a camera but also the function to send photographs via messaging or E-mail, which made the phone extremely popular at the time. Technologies like 3G Mobile Broadband were common in Japan before any other country. Some of the main features of a mobile in Japan include: In recent years, some cellular phones have been updated to be used as debit or credit cards and can be swiped through most tills to buy products