Question

oeriunvewd) who invented the smart phone​

Answer 1

The tech company IBM is developing smartphone.

hope it's helps u

Answer 2

Question:-

$\tt{who \: invented \: the \: smart \: phone?}$

Answer:

$\fbox\blue{The \: tech \: company \: IBM. }$

Explanation:

Now demand appears to be slowing down. The tech company IBM is widely credited with developing the world's first smartphone – the bulky but rather cutely named Simon. It went on sale in 1994 and featured a touchscreen, email capability and a handful of built-in apps, including a calculator and a sketch pad.