Its features primarily consist of faster performance, a camera with higher resolution and video capability, voice control, and support for 7.2 Mbit/s HSDPA downloading (but remains limited to 384 kbps uploading as Apple had not implemented the HSUPA protocol). It was released in the U.S., Canada and six European countries on June 19, 2009, in Australia and Japan on June 26, and internationally in July and August 2009.
The iPhone 3GS was made available for pre-order on June 8, 2009 and released on June 19 in Canada, the United States, and 7 European countries, and on June 26 in Australia and the United Kingdom. Within the first weekend of its release, over one million iPhone 3GS's were sold. July and August 2009 saw the release of the iPhone 3GS internationally. After the iPhone 4 was announced, an 8 GB (Black only) iPhone 3GS was released which was made available at a reduced price. Apple's decision to continue selling the iPhone 3GS alongside the iPhone 4 and the iPhone 4S makes the 3GS the longest running produced iPhone hardware to date.
iPhone 3GS models with new bootroms started appearing in mid-September 2009 which had blocked the "24k" exploit used in previous bootroms which were used mainly for 'jailbreak' purposes. This made devices with the new bootrom harder to 'jailbreak' although not impossible. This marked the first time Apple slightly modified their devices midway through its supposed cycle (usually a one year cycle).
The new features of the iPhone 3GS are mainly internal changes regarding speed (indeed the "S" in "iPhone 3GS" stands for Speed). Though in addition to the upgrades mainly regarding performance, various software features were also introduced exclusive to the iPhone 3GS. All of the exclusive features were incorporated into the iPhone 4.
The display on the device is designed by Apple and is manufactured by LG, it features an LCD capacitive touchscreen with a pixel density of 163 pixels per inch (ppi) on a 3.5 inch (9 cm) (480-by-320) display. Improvements over its predecessor's screen include 24-bit color emulation (18-bit color display plus dithering) for a more color rich display and oleophobic coating to help reduce fingerprints on the display. The capacitive touchscreen is designed for a bare finger, or multiple fingers for multi-touch sensing.
The iPhone 3GS features an improved 3 megapixel camera manufactured by OmniVision. In addition to the higher megapixel count, it also features auto-focus, auto white balance and auto macro and is capable of capturing VGA video. The iPhone 3GS's Camera app features a slider which allows users to switch between capturing photos and recording videos and a tap-to-focus feature which allows users to tap on an area of the camera image to auto-focus on and 10x digital zoom (iOS 4 only)
The iPhone 3GS is powered by the Samsung APL0298C05 chip, which was designed and manufactured by Samsung. This system-on-a-chip is composed of an ARM Cortex-A8 CPU core underclocked to 600 MHz (from 833 MHz), integrated with a PowerVR SGX 535 GPU. It has 256 MB of eDRAM, twice the amount of the 3G, allowing for increased performance and multi-tasking. Apple claims the iPhone 3GS is 2x faster than its predecessor, showing demonstrations of apps loading in just 2–10 seconds compared to 15–30 seconds on the iPhone 3G.
The iPhone 3GS was made available for pre-order on June 8, 2009 and released on June 19 in Canada, the United States, and 7 European countries, and on June 26 in Australia and the United Kingdom. Within the first weekend of its release, over one million iPhone 3GS's were sold. July and August 2009 saw the release of the iPhone 3GS internationally. After the iPhone 4 was announced, an 8 GB (Black only) iPhone 3GS was released which was made available at a reduced price. Apple's decision to continue selling the iPhone 3GS alongside the iPhone 4 and the iPhone 4S makes the 3GS the longest running produced iPhone hardware to date.
iPhone 3GS models with new bootroms started appearing in mid-September 2009 which had blocked the "24k" exploit used in previous bootroms which were used mainly for 'jailbreak' purposes. This made devices with the new bootrom harder to 'jailbreak' although not impossible. This marked the first time Apple slightly modified their devices midway through its supposed cycle (usually a one year cycle).
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The iPhone 3GS features an improved 3 megapixel camera manufactured by OmniVision. In addition to the higher megapixel count, it also features auto-focus, auto white balance and auto macro and is capable of capturing VGA video. The iPhone 3GS's Camera app features a slider which allows users to switch between capturing photos and recording videos and a tap-to-focus feature which allows users to tap on an area of the camera image to auto-focus on and 10x digital zoom (iOS 4 only)
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