i phone 4

A Black Apple iPhone 4 (black UMTS/GSM model)
Developer Apple Inc.
Manufacturer Foxconn (UMTS/GSM model)
Pegatron (CDMA model)[1]
Slogan This changes everything..again[2]
Model A1332 (GSM model)
A1349 (CDMA model)[3]
First released GSM model (black): June 24, 2010[a]
CDMA model (black): February 10, 2011[a]
GSM and CDMA models (white): April 28, 2011
Predecessor iPhone 3GS
Successor iPhone 4S
Related iPad, iPod Touch (comparison)
Form factor Touchscreen
Dimensions 115.2 mm (4.54 in) H
58.66 mm (2.309 in) W
9.3 mm (0.37 in) D
Weight 137 g (4.8 oz)
Operating system iOS 6.0.1
Released November 1, 2012; 2 months ago
Originally shipped with iOS 4
SoC Apple A4[4]
CPU ARM Cortex-A8
GPU PowerVR SGX 535[4]
Memory 512 MB eDRAM[5]
Storage 8, 16, or 32 GB flash memory
Battery Built-in rechargeable li-ion battery
3.7 V at 1,420 mAh[6]
Data inputs Multi-touch touchscreen display
Push-buttons
Dual microphone
3-axis gyroscope
3-axis accelerometer
Digital compass
Proximity sensor
Ambient light sensor
Display 3.5 in (89 mm) diagonal 1.5:1 aspect ratio widescreen
LED backlit IPS TFT LCD
640×960 resolution at 326 ppi (0.61 megapixels)
800:1 contrast ratio (typical)
500 cd/m2 max brightness (typical)
Fingerprint-resistant oleophobic coating on front and back glass
Rear camera 5 MP back-side illuminated sensor
HD video (720p) at 30 frame/s
1.75 μm size pixels
5× digital zoom
Tap to focus video or still images
LED flash
Photo and video geotagging
Front camera 0.3 MP (VGA)
SD video (480p) at 30 frame/s
25 μm size pixels
Tap to focus video or still images
Photo and video geotagging
Sound Single loudspeaker
3.5 mm TRRS
Frequency response: 20 Hz to 20 kHz[citation needed]
Connectivity

Wi-Fi (802.11 b/g/n) (2.4 GHz only)
Bluetooth 2.1 + EDR
GSM model: quad-band GSM/GPRS/EDGE
(800, 850, 900, 1,800, 1,900 MHz)
Quad-band UMTS/HSDPA/HSUPA
(800, 850, 900, 1,900, 2,100 MHz) (800 MHz is not yet officially supported by Apple)
CDMA model: dual-band CDMA/EV-DO Rev. A (800, 1,900 MHz)
Online: App Store, iTunes Store, iBookstore, MobileMe
Hearing aid compatibility GSM
3G 850/1,900 MHz M4, T4
2G 850 MHz M3, T3
2G 1,900 MHz M2, T3
CDMA M4, T4