Apple iPhone 4

Apple iPhone 4
Apple iPhone 4
Apple iPhone 4

The iPhone 4 is a touchscreen smartphone developed by Apple. It is the fourth generation of iPhone, and successor to the iPhone 3GS. It is particularly marketed for video calling (marketed by Apple as FaceTime), consumption of media such as books and periodicals, movies, music, and games, and for general web and e-mail access. It was announced on June 7, 2010, at the WWDC 2010 held at the Moscone Center, San Francisco,[6] and was released on June 24, 2010, in the United States, the United Kingdom, France, Germany and Japan.

The iPhone 4 runs Apple’s iOS operating system, the same operating system as used on previous iPhones, the iPad, and the iPod Touch. It is primarily controlled by a user’s fingertips on the multi-touch display, which is sensitive to fingertip contact.

The most noticeable difference between the iPhone 4 and its predecessors is the new design, which incorporates an uninsulated stainless steel frame that acts as the device’s antenna. The internal components of the device are situated between two panels of chemically strengthened aluminosilicate glass.[7] It has an Apple A4 processor and 512 MB of eDRAM, twice that of its predecessor and four times that of the original iPhone. Its 3.5-inch (89 mm) LED backlit liquid crystal display with a 960×640 pixel resolution is marketed as the “Retina Display”.

General
2G Network     GSM 850 / 900 / 1800 / 1900
3G Network     HSDPA 850 / 900 / 1900 / 2100
Announced     2010, June
Status         Available. Released 2010, June

Size
Dimensions     115.2 x 58.6 x 9.3 mm
Weight         137 g

Display
Type     LED-backlit IPS TFT, capacitive touchscreen, 16M colors
Size     640 x 960 pixels, 3.5 inches
– Scratch-resistant oleophobic surface
– Multi-touch input method
– Accelerometer sensor for auto-rotate
– Three-axis gyro sensor
– Proximity sensor for auto turn-off

Sound
Alert types     Vibration, MP3 ringtones
Loudspeaker     Yes
3.5mm jack     Yes,

Memory
Phonebook     Practically unlimited entries and fields, Photocall
Call records     100 received, dialed and missed calls
Internal     16/32 GB storage, 512 MB RAM
Card slot     No

Data
GPRS         Class 10 (4+1/3+2 slots), 32 – 48 kbps
EDGE         Class 10, 236.8 kbps
3G         HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
WLAN         Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
Bluetooth     Yes, v2.1 with A2DP
Infrared port     No
USB         Yes, v2.0

Camera
Primary     5 MP, 2592 x 1944 pixels, autofocus, LED flash,
Features     Touch focus, geo-tagging
Video         Yes, 720p@30fps, LED video light, geo-tagging,
Secondary     Yes, videocalling over Wi-Fi only

Features
OS         iOS 4
CPU         1 GHz ARM Cortex-A8 processor, PowerVR SGX535GPU, Apple A4 chipset
Messaging     SMS (threaded view), MMS, Email, Push Email
Browser     HTML (Safari)
Radio         No
Games         Downloadable, incl. motion-based
Colors         Black, White
GPS         Yes, with A-GPS support
Java         No
– MicroSIM card support only
– Scratch-resistant glass back panel
– Active noise cancellation with dedicated mic
– Digital compass
– Google Maps
– Audio/video player and editor
– Voice command/dial
– TV-out

Battery
Standard battery Li-Po 1420mAh
Stand-by      Up to 300 h (2G) / Up to 300 h (3G)
Talk time      Up to 14 h (2G) / Up to 7 h (3G)
Music play      Up to 40 h

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