Apple iPhone 4

Apple iPhone 4
Display System
3.5-inch Retina display
960-by-640 resolution at 326 ppi
Platform
Apple A-series chipset
iOS operating system
Camera System
5MP rear camera with LED flash
VGA-quality front camera
Power & Battery
Built-in lithium-ion battery
Up to 7 hours talk time (3G)
Connectivity
GSM or CDMA network models
802.11b/g/n Wi-Fi and Bluetooth 2.1
Memory & Storage
8GB, 16GB, or 32GB flash drive
30-pin dock connector
Timeline & Release Details
The iPhone 4 was introduced in 2010 for the GSM model (A1332) and 2011 for the CDMA model (A1349). These regional variants define the cellular compatibility of the device.
- Canonical model family: A1332 / A1349
- Regional variants / SKU codes listed in source: A1332 (GSM), A1349 (CDMA)
Physical Structure
The device features a flat glass front and back with a stainless steel band around the edges. It includes physical buttons for volume, ring/silent, and power/sleep.
- Dimensions: 4.5 x 2.31 x 0.37 inches
- Weight: 4.8 ounces (137 grams)
- Colors: Black and white
Display System
The Retina display provides a high pixel density of 326 ppi, featuring an 800:1 contrast ratio and 500 cd/m2 max brightness. It includes an oleophobic coating on both the front and back glass.
Camera System
The rear camera supports 720p HD video recording at 30 fps and includes tap-to-focus functionality. The front-facing camera is designed for VGA-quality photos and video.
Platform & Software
The iPhone 4 runs on the iOS platform. It includes a three-axis gyro, accelerometer, proximity sensor, and ambient light sensor to support various applications and system features.
Battery & Charging
The device uses a built-in rechargeable lithium-ion battery, charged via a 30-pin dock connector. Battery life varies by usage, with up to 40 hours of audio playback or 10 hours of video playback listed in official specifications.
Connectivity & Sensors
Connectivity options include cellular network support (GSM or CDMA depending on the model), 802.11b/g/n Wi-Fi, and Bluetooth 2.1 + EDR. Location services are provided via Assisted GPS, digital compass, Wi-Fi, and cellular triangulation.
Summary
The Apple iPhone 4 remains a landmark device in the smartphone category, recognized for its Retina display and premium glass-and-steel construction. It is available in GSM (A1332) and CDMA (A1349) configurations, offering a balanced set of multimedia and communication features for its era.
| Launch Price (MSRP): | Current Market Price: |
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| US$ |