what was the first iphone called

The first iPhone was simply called the "iPhone" or "iPhone 2G." It was the first smartphone designed and marketed by Apple Inc. and was officially announced on January 9, 2007, by Steve Jobs. It was later released in the United States on June 29, 2007. The original iPhone combined the functionality of an iPod, a mobile phone, and a breakthrough internet communicator, and it was a groundbreaking device that revolutionized the smartphone industry