The song "Down" by Marian Hill from Philadelphia, USA

IPhone is a series of smartphones developed by Apple [1]. It is equipped with the iOS mobile operating system developed by Apple. The first-generation iPhone was released by company CEO Steve Jobs on January 9, 2007, and was officially released on June 29 of the same year.

On September 10, 2013, Apple launched its seventh-generation products iPhone5C and iPhone5S. iPhone5S was officially released on September 20 of the same year.

The eighth generation iPhone 6 and iPhone 6 Plus were officially released on September 10, 2014. On September 8, 2016, iPhone 7 and iPhone 7 Plus were officially unveiled. Pre-orders opened on September 9, and sales officially started on September 16.

On September 13, 2017, Apple released three new iPhones, the 4.7-inch iPhone 8, the 5.5-inch iPhone 8 Plus and the 5.8-inch iPhone X.

The iPhone is a series of smartphones launched by Apple, equipped with the iOS (formerly known as "iPhone OS") mobile operating system developed by Apple.

The first-generation iPhone was released on January 9, 2007, and officially went on sale on June 29 of that year. The new generation (ninth generation) iPhone was released on September 10, 2015, and was officially launched on September 20 of that year.