<P> In late July 2017, Apple discontinued its iPod Nano and iPod Shuffle models, leaving only the iPod Touch available for purchase . </P> <P> At the Macworld Conference & Expo in January 2007, Steve Jobs introduced the long - anticipated iPhone, a convergence of an Internet - enabled smartphone and iPod . The first - generation iPhone was released on June 29, 2007, for $499 (4 GB) and $599 (8 GB) with an AT&T contract . On February 5, 2008, it was updated to have 16 GB of memory, in addition to the 8 GB and 4 GB models . It combined a 2.5 G quad band GSM and EDGE cellular phone with features found in handheld devices, running scaled - down versions of Apple's Mac OS X (dubbed iPhone OS, later renamed iOS), with various Mac OS X applications such as Safari and Mail . It also includes web - based and Dashboard apps such as Google Maps and Weather . The iPhone features a 3.5 - inch (89 mm) touchscreen display, Bluetooth, and Wi - Fi (both "b" and "g"). </P> <P> A second version, the iPhone 3G, was released on July 11, 2008, with a reduced price of $199 for the 8 GB version and $299 for the 16 GB version . This version added support for 3G networking and assisted GPS navigation . The flat silver back and large antenna square of the original model were eliminated in favor of a glossy, curved black or white back . Software capabilities were improved with the release of the App Store, which provided iPhone - compatible applications to download . On April 24, 2009, the App Store surpassed one billion downloads . On June 8, 2009, Apple announced the iPhone 3GS . It provided an incremental update to the device, including faster internal components, support for faster 3G speeds, video recording capability, and voice control . </P> <P> At the Worldwide Developers Conference (WWDC) on June 7, 2010, Apple announced the redesigned iPhone 4 . It featured a 960 × 640 display, the Apple A4 processor, a gyroscope for enhanced gaming, a 5MP camera with LED flash, front - facing VGA camera and FaceTime video calling . Shortly after its release, reception issues were discovered by consumers, due to the stainless steel band around the edge of the device, which also serves as the phone's cellular signal and Wi - Fi antenna . The issue was corrected by a "Bumper Case" distributed by Apple for free to all owners for a few months . In June 2011, Apple overtook Nokia to become the world's biggest smartphone maker by volume . On October 4, 2011, Apple unveiled the iPhone 4S, which was first released on October 14, 2011 . It features the Apple A5 processor and Siri voice assistant technology, the latter of which Apple had acquired in 2010 . It also features an updated 8MP camera with new optics . Apple began a new accessibility feature, Made for iPhone Hearing Aids with the iPhone 4S. Made for iPhone Hearing Aids feature Live Listen, it can help the user hear a conversation in a noisy room or hear someone speaking across the room . Apple sold 4 million iPhone 4S phones in the first three days of availability . </P>

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