iPhone 4 was the fourth generation of iPhones released by Apple. It was announced on June 7, 2010, and became available for purchase on June 24, 2010. The iPhone 4 introduced several significant design and hardware improvements compared to its predecessors. Some notable features of the iPhone 4 include:
1. Retina Display:
The iPhone 4 featured a high-resolution Retina Display with a pixel density of 326 pixels per inch. This resulted in incredibly sharp and detailed visuals, contributing to an improved viewing experience.
2. Glass and Stainless Steel Design:
The iPhone 4 adopted a sleek and modern design with a glass front and back, sandwiched by a stainless steel frame. This design choice gave the device a premium feel and improved durability.
3. Improved Camera:
The iPhone 4 included a 5-megapixel camera with an LED flash. It also introduced The front-facing camera on the iPhone 4 was a camera on the front side of the phone that allowed you to take pictures of yourself and participate in video calls. It had a lower resolution compared to the main camera, but it was the first iPhone to have this feature, which made it popular for taking selfies and using video chat apps like FaceTime to talk to friends and family face-to-face.
4. A4 Chip:
The iPhone 4 was powered by Apple's A4 chip, which provided improved performance, power efficiency, and graphics capabilities, multitasking, folders, and other enhancements. Which included a 1 GHz ARM Cortex-A8 CPU and a PowerVR SGX535 GPU. This processor was designed and developed by Apple and provided a significant improvement in performance compared to its predecessor.
Specs:
| Manufacture | June 24, 2010 |
|---|---|
| Display | 3.5 in screen 960x640 pixel |
| Camera | Rear (5.0 MB), Front (VGA) |
| Memory | 516 MB RAM |
| Storage | 8,16 and 32 GB |
| Operating System | iOS 7 |
| CPU | 1GHz ARM Cortex-A8 |
| GPU | PowerVR SGX535 |
| Connectivity | 2G,3G |
| Weight | 137g or (4.8) Ounces |
| Battery | 1420 mAh Li-ion |
| Discontinued | September, 2013 |
