Karbonn Smart A12

The Karbonn Smart A12 is a budget-friendly Android smartphone that offers decent features for its price point. The phone runs on Android v4.0 (ICS) operating system and is powered by a 1 GHz single core processor, which may not be the fastest but is sufficient for basic tasks and light usage.

The device comes with 4 GB of internal memory, which can be expanded up to 32 GB using a memory card slot. It also supports dual SIM cards, making it convenient for users who need to separate work and personal contacts. The 4.5-inch color TFT screen has a resolution of 854 x 480 pixels, providing a decent viewing experience with a pixel density of around 218 PPI.

In terms of connectivity, the Karbonn Smart A12 supports 3G networks, Bluetooth, EDGE, GPRS, GPS, USB, and WiFi with WiFi-hotspot capability. The 5 MP main camera with autofocus and LED flash allows users to capture decent quality photos and videos. Other features include email, FM radio, music and video playback, and a browser that supports HTML.

Pros:
- Affordable price point
- Dual SIM capability
- Expandable memory up to 32 GB
- Good connectivity options including 3G and WiFi
- Decent camera quality for the price

Cons:
- Low processing power with a single core processor
- Limited internal memory of 4 GB
- No selfie camera
- Relatively heavy at 164 g
- Short battery life with only 4 hours of talk time

Overall, the Karbonn Smart A12 is a budget-friendly option for those looking for a basic Android smartphone with dual SIM capability and decent camera quality. However, users should be aware of its limitations in terms of processing power and battery life.