Iphone 4

iPhone 4
Size 16 GB
CDMA Verizon phone only, does NOT have a SIM card slot

Full Specification

GENERAL

Release date	June 2010
Form factor	Touchscreen
Dimensions (mm)	115.20 x 59.00 x 9.30
Weight (g)	137.00
Battery capacity (mAh)	1420
Removable battery	No
Colours	Black

CONNECTIVITY

Wi-Fi	Yes
GPS	Yes
Bluetooth	Yes, v 2.10
NFC	No
Infrared	No
USB OTG	No
Headphones	3.5mm
FM	No
Number of SIMs	1
SIM 1
SIM Type	Micro-SIM
GSM/CDMA	GSM
3G	Yes
4G/ LTE	No
Supports 4G in India (Band 40)	No

SENSORS

Compass/ Magnetometer	Yes
Proximity sensor	Yes
Accelerometer	Yes
Ambient light sensor	Yes
Gyroscope	Yes
Barometer	No
Temperature sensor	No

HARDWARE

RAM	512MB
Internal storage	8GB
Expandable storage	No

CAMERA

Rear camera	5-megapixel
Rear Flash	LED
Front camera	0.3-megapixel

DISPLAY

Screen size (inches)	3.50
Touchscreen	Yes
Resolution	640x960 pixels
Pixels per inch (PPI)	326

SOFTWARE

Operating System

iOS 6.1.3

About to Explore

iPhone is a line of smartphones designed and marketed by Apple Inc. The iPhone line of products use Apple's iOS mobile operating system software. The first-generation iPhone was released on June 29, 2007, and multiple new hardware iterations with new iOS releases have been released since.

The user interface is built around the device's multi-touch screen, including a virtual keyboard. The iPhone has Wi-Fi and can connect to cellular networks. An iPhone can shoot video (though this was not a standard feature until the iPhone 3GS), take photos, play music, send and receive email, browse the web, send and receive text messages, follow GPS navigation, record notes, perform mathematical calculations, and receive visual voicemail. Other functionality, such as video games, reference works, and social networking, can be enabled by downloading mobile apps. As of January 2017, Apple's App Store contained more than 2.2 million applications available for the iPhone.

iPhone	Released with	Release date
iPhone	iPhone OS 1.0	June 29, 2007
iPhone 3G	iPhone OS 2.0	July 11, 2008
iPhone 3GS	iPhone OS 3.0	June 19, 2009
iPhone 4	iOS 4.0	June 21, 2010
iPhone 4S	iOS 5.0	October 14, 2011
iPhone 5	iOS 6.0	September 21, 2012
iPhone 5C	iOS 7.0	September 20, 2013
iPhone 5S	iOS 7.0	September 20, 2013
iPhone 6 (Plus)	iOS 8.0	September 19, 2014
iPhone 6S (Plus)	iOS 9.0	September 25, 2015
iPhone SE	iOS 9.3	March 31, 2016
iPhone 7 (Plus)	iOS 10.0	September 16, 2016
iPhone 8 (Plus)	iOS 11.0	September 22, 2017
iPhone X	iOS 11.0.1	November 3, 2017

Development of what was to become the iPhone began in 2004, when Apple started to gather a team of 1,000 employees (including Jonathan Ive, the designer behind the iMac and iPod) to work on the highly confidential "Project Purple." Apple CEO Steve Jobs steered the original focus away from a tablet (which Apple eventually revisited in the form of the iPad) towards a phone. Apple created the device during a secretive collaboration with Cingular Wireless (which became AT&T Mobility) at the time—at an estimated development cost of US$150 million over thirty months.

According to Steve Jobs, the "i" word in "iMac" (and therefore "iPod", "iPhone" and "iPad") stands for internet, individual, instruct, inform, and inspire.

Apple rejected the "design by committee" approach that had yielded the Motorola ROKR E1, a largely unsuccessful collaboration with Motorola. Among other deficiencies, the ROKR E1's firmware limited storage to only 100 iTunes songs to avoid competing with Apple's iPod nano.

Cingular gave Apple the liberty to develop the iPhone's hardware and software in-house and even paid Apple a fraction of its monthly service revenue (until the iPhone 3G), in exchange for four years of exclusive US sales.

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