Here the technology that is biased on embedded systems in smartphones can be discussed here.it’s advantages and disadvantages can be discussed .
Embedded systems are special purpose computer systems embedded in a device whose main purpose is not computing.
A smartphone is absolutely an embedded system or at least contains one. It has custom-purpose hardware and software for a specific task (i.e. making phone calls and accessing the cellular data network). It is a bit of a special case in that it also has a general purpose computer for running user applications. Depending on your point of view, the embedded system(s) and general purpose computer are parts of the phone, or the general purpose computer is an add-on to the embedded system