Apple iPhone 4 CDMA

The Apple iPhone 4 CDMA was released in January 2011 and came with the iOS 4 operating system, which is upgradable to iOS 7.1.1. It features a 1.0 GHz Cortex-A8 processor, Apple A4 chipset, and PowerVR SGX535 GPU. The phone has 16/32 GB of internal memory and 512 MB of RAM, with no option for external memory expansion.

The LED-backlit IPS LCD display measures 3.5 inches with a resolution of 640 x 960 pixels and a pixel density of 330 PPI. The screen is protected by Corning Gorilla Glass and oleophobic coating. The phone supports CDMA 800/1900 networks and Wi-Fi 802.11 b/g/n connectivity.

In terms of camera capabilities, the iPhone 4 CDMA has a 5 MP main camera with features like autofocus and LED flash, capable of recording videos at 720p. The front-facing camera is only 0.3 MP and supports video calling over Wi-Fi. The phone also includes sensors like accelerometer, gyro, proximity, and compass.

Pros:
1. Solid build quality with Corning Gorilla Glass protection
2. Good camera performance with features like HDR and video recording
3. Smooth and responsive user interface with iOS operating system
4. Compact size and lightweight design for easy portability
5. Decent battery life for everyday use

Cons:
1. Limited internal storage with no option for expandable memory
2. Outdated hardware specifications compared to newer smartphones
3. Lack of 3G network support may limit connectivity options
4. Low-resolution front-facing camera for selfies and video calls
5. No radio feature for listening to FM broadcasts.