Discontinuation: The iPhone 2G was discontinued in July 2008, but it continued to be produced for a short period after that for specific markets and purposes.
Overall Impact: Despite being discontinued relatively quickly, the iPhone 2G laid the foundation for future iPhone models and significantly impacted the smartphone industry. It was a revolutionary device that combined a mobile phone, an iPod, and an internet communicator into one device.
In summary, the iPhone 2G sold approximately 1.36 million units globally by the end of 2007, with significant initial sales and a rapid achievement of the one million mark.