Yezz Billy 4

The Yezz Billy 4 mobile phone is a budget-friendly device that runs on the Microsoft Windows Phone 8.1 operating system. It is equipped with a quad-core 1.2 GHz Cortex-A7 processor, Qualcomm Snapdragon 200 chipset, and Adreno 302 GPU, making it capable of handling basic tasks smoothly.

With 4 GB of internal memory and 512 MB of RAM, the Yezz Billy 4 may struggle with multitasking and storage space for apps and media. However, it does have the option to expand storage via a microSD card up to 256 GB.

The device features a 4-inch TFT display with a resolution of 480 x 800 pixels, offering decent color reproduction and viewing angles. The touchscreen is capacitive, providing a responsive user experience. The phone also supports dual SIM cards and has connectivity options such as Wi-Fi, Bluetooth 4.0, GPS, and FM radio.

In terms of camera capabilities, the Yezz Billy 4 sports an 8 MP rear camera with LED flash for capturing moments on the go. There is also a 1.3 MP front camera for selfies and video calls.

Pros:
- Affordable price point
- Dual SIM functionality
- Expandable storage up to 256 GB
- Decent camera quality for the price
- Compact and lightweight design

Cons:
- Limited internal storage and RAM
- Low-resolution display
- Outdated operating system
- Short battery life
- Limited availability of color options

Overall, the Yezz Billy 4 is a budget-friendly option for those looking for a basic smartphone with essential features. It may not be suitable for heavy users or those who require advanced performance and capabilities.