IPhone 6 iPhone 7 Plus. Their spot as the entry-level iPhone was replaced by the iPhone SE, which was released earlier on March 31, 2016. The iPhone 6 was relaunched with 32 GB of storage in Asian markets in February 2017 as a midrange/budget iPhone. It was later expanded to Europe, before hitting the US markets in May 2017, and Canada in July 2017. The 32 GB model of the iPhone 6 was discontinued on September 12, 2018, with the announcement of the iPhone XR. From the launch of the original iPhone to the iPhone 4S, iPhones used 3.5-inch displays—which are smaller
IPhone SMS was added in the 1.1.3 software update. Support for MMS was added in the 3.0 update, but not for the original first generation iPhone and not in the US until September 25, 2009. At WWDC 2007 on June 11, 2007, Apple announced that the iPhone would support third-party web applications using Ajax that share the look and feel of the iPhone interface. On October 17, 2007, Steve Jobs, in an open letter posted to Apple's "Hot News" weblog, announced that a software development kit (SDK) would be made available to third-party developers in February 2008. The iPhone SDK was