IPhone 4

The iPhone 4 is a smartphone that was designed and marketed by Apple Inc. It is the fourth generation iPhone, succeeding the 3GS and preceding the 4S. Following a... Wikipedia

• Developer:  Apple Inc.
• Manufacturer:  Foxconn (UMTS/GSM model), Pegatron (CDMA model)
• Slogan:  "This changes everything. Again."
• Generation:  4th
• Model:  A1332 (GSM model), A1349 (CDMA model)
• First released:  GSM model (black): June 24, 2010 [a], CDMA model (black): February 10, 2011 [a], GSM and CDMA models (white): April 28, 2011
• Discontinued:  September 10, 2013
• Predecessor:  iPhone 3GS
• Successor:  iPhone 4S
• Related:  iPod Touch (4th generation)
• Type:  Smartphone
• Form factor:  Slate
• Dimensions:  115.2 mm (4.54 in) H, 58.6 mm (2.31 in) W, 9.3 mm (0.37 in) D
• Weight:  137 g (4.83 oz)
• Operating system:  Original: iOS 4 (GSM model), iOS 4.2.5 (CDMA model), Last: iOS 7.1.2, released June 30, 2014
• System on chip:  Apple A4
• CPU:  1 GHz (Underclocked to 800 MHz) single core 32-bit ARM Cortex-A8
• GPU:  PowerVR SGX535
• Memory:  512 MB DRAM
• Storage:  8, 16, or 32 GB flash memory
• Battery:  3.7 V, 5.3 Wh (1,420 mAh) Lithium-ion battery
• Data inputs:  Multi-touch touchscreen display, Dual microphone, 3-axis gyroscope, 3-axis accelerometer, Digital compass, Proximity sensor, Ambient light sensor
• Display:  3.5 in (88.9 mm) diagonal 1.5:1 aspect ratio widescreen, LED backlit IPS TFT LCD, 960×640 resolution at 326 ppi (0.61 megapixels), 800:1 contrast ratio (typical), 500 cd/m 2 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, 4 element lens, LED flash, Photo and video geotagging
• Front camera:  0.3 MP VGA (480p) at 30 frame/s, 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
• 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)
• SAR:  Model A1332 Head: 1.17 W/kg, Body: 1.11 W/kg, Model A1349 Head: 1.18 W/kg, Body: 0.87 W/kg
• 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
• Data source:  DuckDuckGo