Introduced in October 2011, the iPhone 4S represented a significant under-the-hood hardware upgrade from the original iPhone 4. Apple claimed a 2x CPU and 9x GPU performance improvement as a result of the inclusion of the custom-designed A5 system-on-a-chip (which first appeared in the iPad 2). The iPhone 4S included both the CDMA-compatability of the iPhone 4 (CDMA), making it a true "world phone." It also included the minor case redesign, which, along with internal antenna design improvements, eliminated the "grip-of-death" commonly reported with the iPhone 4.
Other improvements included an 8 Megapixel camera, with improved contrast and color balance, Bluetooth 4.0, and a new voice-activated assistant, called "Siri."
Other improvements included an 8 Megapixel camera, with improved contrast and color balance, Bluetooth 4.0, and a new voice-activated assistant, called "Siri."
Published 8 years ago
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