The iPhone 4S is the follow-up to the very popular iPhone 4 and features a faster Apple A5 dual-core processor and better 8 megapixel camera. The iPhone 4S also features Siri - a new 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, Wi-Fi, and 16GB of of internal memory. The iPhone 4S also comes equipped with GSM, CDMA, and WCDMA modes for international use.

• This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer.
• 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 850 / 900 / 1700 / 1900 / 2100
• 3.5-inch LED-backlit IPS LCDMulti-Touchscreen w/ Protective Corning Gorilla Glass, Oleophobic Coating
• iOS 6 (upgradable), Dual-Core 1 GHz Cortex-A9 Processor, Chipset: Apple A5, PowerVR SGX543MP2 Graphics
• 8 Megapixel Camera (3264 x 2448 pixels) w/ Autofocus & LED Flash + Front-Facing VGA Camera

This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer.Apple