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The Apple iPhone 3GS in black with 8GB of storage capacity is a GSM unlocked smartphone released in 2009. It features a single-core processor, an LCD display with a resolution of 480 x 320 pixels, and a 3 MP back camera. With iOS as the operating system, it offers Bluetooth, Wi-Fi, and GPS connectivity, along with a 5-hour battery duration. This compact device with dimensions of 4.5 x 2.4 x 0.48 inches and weighing 4.76 oz, provides a smooth user experience for calls, text messaging, and browsing the web.