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The iPhone 3GS, stylised as iPhone 3G馃厒 [ a ] is a smartphone that was designed, developed, and marketed by Apple Inc. It is the third generation iPhone and the successor to the iPhone 3G. It was unveiled on June 8, 2009 [ 8 ] at the WWDC 2009 which took place at the Moscone Center in San Francisco.
The backs of an iPhone 6, an iPhone 7, an iPhone 8, and an iPhone SE (3rd generation) 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 ...
iPhone. The iPhone 3G is a smartphone designed, developed, and marketed by Apple Inc. It is the second generation of iPhone, successor to the original iPhone, and was introduced on June 9, 2008, at the WWDC 2008 which took place at the Moscone Center in San Francisco .
With the July 11, 2008, release of the iPhone 3G, Apple and AT&T changed the US pricing model from the previous generation. Following the de facto model for mobile phone service in the United States, AT&T would subsidize a sizable portion of the upfront cost for the iPhone 3G, followed by charging moderately higher monthly fees over a minimum ...
The iPhone is a smartphone produced by Apple that uses Apple's own iOS mobile operating system. The first-generation iPhone was announced by then鈥揂pple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold.
iOS. iOS (formerly iPhone OS) [ 8] is a mobile operating system developed by Apple exclusively for its smartphones. It was unveiled in January 2007 for the first-generation iPhone, [ 9] launched in June 2007. It is the operating system that powers many of the company's mobile devices, including the iPhone.
In 3G, the most prevalent technology was UMTS with CDMA-2000 in close contention. All radio access technologies have to solve the same problems: to divide the finite RF spectrum among multiple users as efficiently as possible. GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA.
The S5L8920 chip used in the iPhone 3GS. The Samsung S5L8920 is a 32-bit system on a chip (SoC) manufactured by Samsung for Apple. The only iPhone to use it was the iPhone 3GS, before being replaced with the Apple A4 with the release of the iPhone 4. [16] The chip is an updated version of the S5L8900 with more processing power. [17]
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