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".
Mobile phone content advertising "AIS" from Thailand, where Honda has become one of the first global advertisers to use the phone's idle screen as a medium for mobile advertising. The AIS - Honda advertising campaign broadcast motorcycle and road driving safety tips and targeted millions of AIS mobile subscribers, offering a Honda moped as a prize in return for registering. The campaign utilised LiveScreen Media, a mobile advertising medium by Celltick Technologies, a leading provider of innovative mobile marketing solutions for the idle screen. A new trend in mobile phone content advertising is the "ad-supported" mobile phone service model. MVNO's such as Virgin Mobile