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 on the O2 network in the United Kingdom, however, can buy the phone online and activate it via iTunes as with the previous model. Even where not required, vendors usually offer activation for the buyer's convenience. In the US, Apple has begun to offer free shipping on both the iPhone 3G and the iPhone 3GS (when available), reversing the in-store activation requirement. Best Buy and Walmart will also sell the iPhone. The iPhone's operating system is designed to only run software that has an Apple-approved cryptographic signature. This restriction can be overcome by "jailbreaking" the phone, which involves replacing the