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File:IPhone4.jpg

iPhone 4, displaying FaceTime.

This is the iPhone 4. Announced on WWDC keynote in June 2010. It features a new exterior design, 5-megapixel camera with LED flash, the 960x640 Retina Display screen and FaceTime Video Calls. It runs iOS 4.0 and later.

Application Processor

It uses the Apple A4 CPU, same as the iPad. It ships with 512MB of RAM, double that of the iPad and iPhone 3GS. [1]

Baseband Device

It uses the X-Gold 618.

GPS

The iPhone 4 uses the Broadcom BCM4750 single-chip GPS receiver, like the iPad. [2]

Specifications

Color: Black or white Although Stephen Fry has been spotted with one [3]
Size: 115.2 mm (4.5 inches) (h), 58.6 mm (2.31 inches) (w), 9.3 mm (0.37 inches) (d)
Weight: 135 g (4.8 oz)
Battery: Standby up to 300 hours, talk time up to 7 hours on 3G and up to 14 hours on 2G
Rear camera: 5MP with Autofocus and manual focus (Tap to focus), supporting HD video recording @ 30FPS
Front camera: VGA photos and video @ 30 FPS, supporting FaceTime Video Calls

Major Upgrades/Difference from iPhone 3GS

The iPhone 4 Cameras

• Retina display with 960x640 pixel at 326ppi
• New design
• A4 processor
• RAM upgrade to 512 MB
• Gyroscope
• Totally new baseband device, firmware, and bootloader
• Two cameras: front (640×480 VGA) and back (5 megapixel)
• Back camera also has a LED Flash. [4]
• WiFi support for 802.11n, but 2.4GHz only