iPhone 4
The iPhone 4 is a smartphone made by Apple. It was first released on June 24, 2010. It was the first iPhone to include a front-facing camera and retina screen.[6][7]
 | |
 iPhone 4 (GSM model) in black | |
| Developer | Apple |
|---|---|
| Manufacturer | Foxconn (UMTS/GSM model) Pegatron (CDMA model)[1] |
| Generation | 4th |
| Model | A1332 (GSM model or 8 GB model) A1349 (CDMA model)[2] |
| First released | GSM model (black): June 24, 2010[a] CDMA model (black): February 10, 2011[a] GSM and CDMA models (white): April 28, 2011[a] 8 GB models: October 4, 2011[a] |
| Discontinued | September 10, 2013 |
| Model before | iPhone 3GS |
| Replacement model | iPhone 4S |
| Related | iPod Touch (4th generation) |
| Type | Smartphone |
| Form factor | Slate |
| Size | 115.2 mm (4.54 in) H 58.6 mm (2.31 in) W 9.3 mm (0.37 in) D |
| Weight | 137 g (4.8 oz) |
| Operating system | Original: iOS 4.0 (GSM model), iOS 5.0 (8 GB model), iOS 4.2.10 (CDMA model) Last: iOS 7.1.2, released June 30, 2014 |
| System on chip | Apple A4[3] |
| CPU | 1 GHz (Underclocked to 800 MHz) single core 32-bit ARM Cortex-A8 |
| GPU | PowerVR SGX535[3] |
| Memory | 512 MB LPDDR DRAM[4] |
| Storage | 8, 16, or 32 GB flash memory |
| Battery | 3.7 V, 5.3 W⋅h (1420 mA⋅h) Lithium-ion battery[5] |
| Data inputs | Multi-touch touchscreen display Dual microphone 3-axis gyroscope 3-axis accelerometer Digital compass Proximity sensor Ambient light sensor |
| Screen | 3.5 in (89 mm) diagonal 3:2 aspect ratio widescreen LED backlit IPS TFT LCD 960×640 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 4 element lens LED flash Photo and video geotagging |
| Front camera | 0.3 MP VGA (480p) at 30 fps 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, 1800, 1900 MHz) Quad-band UMTS/HSDPA/HSUPA (800, 850, 900, 1900, 2100 MHz) (800 MHz is not yet officially supported by Apple) CDMA model: dual-band CDMA/EV-DO Rev. A (800, 1900 MHz) |
| Website | Apple – iPhone 4 – Video calls, multitasking, HD Video, and more at the Wayback Machine (archived October 14, 2010) |
The iPhone 4 was praised for being much more powerful than its previous models. It was also highly praised for its new design. However, it was criticized widely for occasionally reducing the strength of cellular data from calls if the user's hand covers the bottom-left of the phone.[8]
IPhone 4 Media
Steve Jobs shows off iPhone 4 at the 2010 Worldwide Developers Conference
The iPhone 4 is the first iPhone model to have two cameras. The LED flash for the rear-facing camera (top) and the forward-facing camera (bottom, left of the speaker) are not present in older models.
Apple A4 chip used in the iPhone 4
An iPhone 4 A1332 with a micro-SIM card removed with a paper clip, showing its SIM card compartment
The iPhone 4 is constructed of glass faces and a metal rim.
An iPhone 4 next to its Bumper case
With CEO of Apple Inc. Steve Jobs.
A woman takes pictures with an iPhone 4, Havana, Cuba, 2015.
References
- ↑ Chen, Yenting. CDMA iPhone to contribute strong sales to Foxconn and Pegatron in 2011 (January 13, 2011)DigiTimes. Retrieved January 14, 2011.
- ↑ Identifying iPhone models – support.apple.com Archived September 24, 2011, at the Wayback Machine Retrieved September 21, 2011.
- ↑ 3.0 3.1 iPhone 4 TeardowniFixit. p. 2. Retrieved June 23, 2010.
- ↑ Lane, Slash. Apple reveals iPhone 4 has 512 MB RAM, doubling iPad (June 17, 2010)AppleInsider. Retrieved June 17, 2010.
- ↑ iPhone 4 Teardown (June 23, 2010)iFixit. p. 1. Retrieved July 18, 2010.
- ↑ Sizing up the iPhone 4 for shutterbugsArs Technica.
- ↑ Apple iPhone 4 - Full phone specifications. m.gsmarena.com. Retrieved 2024-12-23.
- ↑ Iphone 4 Antennagate
Other websites
Media related to iPhone 4 at Wikimedia Commons
