The iPhone 4S is the follow-up to the very popular iPhone 4 and features a faster Apple A5 dual-core processor and improved 8 megapixel camera. The iPhone 4S also features Siri - a voice assistant heeding natural-language questions and commands, and taking dictation. Other features of this smartphone include a gorgeous 3.5-inch high-resolution display, full web browser, Bluetooth compatibility, music player, WiFi. The iPhone 4S also comes equipped with quadband GSM, CDMA, and WCDMA modes for international use.

Note: Enlarge images for color naming.

• Dimensions: 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
• Weight: 140 g (4.94 oz)
• Size: 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
• Resolution: 640 x 960 pixels, 3:2 ratio (~330 ppi density)
• OS: iOS 5, upgradable to iOS 9.3.5
• Chipset: Apple A5 (45 nm)
• Internal: 8GB
• 512MB RAM
• Rear Camera: 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
• Front Camera: SingleVGA, videocalling over Wi-Fi and 3G
• WLAN: Wi-Fi 802.11 b/g/n, hotspot
• Non-removable Li-Po 1432 mAh battery (5.3 Wh)
• Stand-by: Up to 200 h (2G) / Up to 200 h (3G)
• Talk time: Up to 14 h (2G) / Up to 8 h (3G)
• Music play: Up to 40 h
• Available in your choice of 8GB, 16GB, 32GB or 64GB
• Available in your choice of Black or White