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The iPhone, developed by Apple Inc., is a line of smartphones that combine a mobile phone, digital camera, personal computer, and music player into one device. Introduced by then-CEO Steve Jobs on January 9, 2007, the iPhone revolutionized the mobile phone industry with its multi-touch interface and lack of physical keyboard.
The iPhone 4s features a 3.5 in (89 millimetres) 960 by 640 pixel multitouch Retina display. It has two volume buttons and a ring-silent switch on the left side. [18] On the top left there is a 3.5 mm headphone jack and a microphone that is used for both noise cancellation during calls and when in speakerphone/FaceTime (video calling) mode.
CISPR is the acronym of Comité International Spécial des Perturbations Radio, [1] or the International Special Committee for Radio Protection of IEC. CISPR Standards aim to the protection of radio reception in the range 9 kHz to 400 GHz from interference caused by operation of electrical or electronic appliances and systems in the electromagnetic environment.
The iPhone 4 is constructed of glass faces and a metal rim. The iPhone 4 features a redesigned structure, designed by Jony Ive, a design that would later be reused and adapted for the iPhone 4S, 5, 5S and first-generation iPhone SE. Most notably, the bulges of the back panel as well as the band between the front and back are gone and have been ...
The iPhone 6s and 6s Plus feature a 12-megapixel (4032×3024 pixels [36]) rear-facing camera, an upgrade from the 8-megapixel (3264×2448) unit on previous models, as well as a 5-megapixel front-facing camera, compared to 1.3 megapixels of the iPhone 5, iPhone 5s, iPhone 6, 6 Plus and iPhone SE.
Electromagnetic compatibility (EMC) is the ability of electrical equipment and systems to function acceptably in their electromagnetic environment, by limiting the unintentional generation, propagation and reception of electromagnetic energy which may cause unwanted effects such as electromagnetic interference (EMI) or even physical damage to ...
The iPhone 5c is a variant of the iPhone 5, with similar hardware specifications but a hard-coated polycarbonate shell instead of the aluminum of the original iPhone 5. The iPhone 5c was available in several color options and shipped with iOS 7. The device was released at a lower price point than the new flagship 5s; unlike Apple's usual ...
iPhone OS 3 was released on June 17, 2009, alongside the iPhone 3GS, and introduced a copy and paste functionality, Spotlight search for the home screen, and new features for the YouTube app. iPhone OS 3 was available for the original iPhone as well as the iPhone 3G and 3GS. However, not all features of iPhone OS 3 (such as MMS in the Messages ...