The world's recognized first smart phone, the IBM Simon (Simon personal communication device), was born in 1993. It was manufactured by IBM in cooperation with BellSouth. Using the Zaurus operating system, there is only one third-party application called "DispatchIt". It laid the foundation for future smartphone processors and is of milestone significance.

When it was manufactured in 1993, it already integrated functions such as a mobile phone, personal digital assistant, pager, fax machine, calendar, schedule, world clock, calculator, notepad, email, and games. All in one. Its biggest feature is that there are no physical buttons, and input is completely operated by the touch screen.

Extended information:

Smartphones, like personal computers, have an independent operating system and an independent running space, and the user can install software, games, navigation, etc. A general term for the types of mobile phones that provide programs provided by third-party service providers and can achieve wireless network access through mobile communication networks.

Smartphones have three major characteristics: an excellent operating system, the freedom to install various software (Android only), and a completely large-screen, full-touch screen operation. Among them, Google, Apple , Samsung, Nokia, HTC (Hongda Electronics), these five brands are the most widely known in the world.

And Xiaomi (Mi), Huawei (HUAWEI), Meizu (MEIZU), Lenovo (Lenovo), ZTE (ZTE), Coolpad (Coolpad), OnePlus (oneplus), GIONEE (GIONEE), Brands such as Tianyu (Tianyu, K-Touch) have attracted much attention in China.

Reference materials: Smartphones? Baidu Encyclopedia