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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

Application Processor

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

Baseband

It uses the X-Gold 618.

Jailbreaks and Unlocks

08-01-10 @comex releases Star Jailbreak. He revives the jailbreakme.com domain from the early jailbreak days. 3 unknown exploits are brought forth. @planetbeing announces unlock for iPhone 4 will be released 48 hours from around 11:30pm EST.

GPS

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

Specifications

Color: Black or white
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

• 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)