The iPhone is a line of smartphones designed and marketed by Apple Inc. that use Apple’s iOS mobile operating system. The first-generation iPhone was announced by former Apple CEO Steve Jobs on January 9, 2007. Since then Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold.
29 different iPhone models have been produced. The models in bold are devices of the latest generation:

Current devices
iPhone XR…