– Phone. In this case, we mean classic phones, which are the simplest kind of “mobile phones”. Their key difference from smartphones is the lack of a full-fledged operating system (see below) and, accordingly, very limited possibilities for installing additional applications: at best, solutions for the universal Java platform are supported, and at worst new applications are not available at all. Most phones are equipped with a hardware keyboard (digital or QWERTY, see “Data entry”), and touch screens (see “Basic display”) are very rare among them. In general, despite the presence (and often – and the abundance) of additional functions, the initial appointment of phones is still calls and SMS.

– Smartphone. This category includes mobile devices equipped with their own operating system. In addition, almost mandatory elements of the equipment for a modern smartphone are touch screen, Wi-Fi, Bluetooth (see “Communications”) and GPS (see below). Due to all this, these models are, in fact, no longer phones, but real handheld computers with extremely wide functionality that you can customize at your discretion by installing and removing additional applications.

Type of shell

– Monoblock. A body that does not have moving segments and is an integral structure. It is one of the most suitable options for models with a touch screen and the most popular in general – monoblocks are simple, reliable and well combined with almost all functions of modern mobile phones.