The iPhone was invented and first announced by Steve Jobs on January 9, 2007. It was officially released later that year on June 29, 2007. The original iPhone combined an iPod, a revolutionary mobile phone, and an internet communicator in one device, featuring a 3.5-inch multi-touch screen and running a custom version of iOS (then called iPhone OS).
The invention process began in the early 2000s, with significant development starting around 2004 under the code name "Project Purple." Apple worked secretly for about three years to develop the device, collaborating with Cingular Wireless, which later became AT&T.
In summary, the iPhone creation began with initial development in the early 2000s, was announced in January 2007, and launched in June 2007.