Karbonn K9 Smart

The Karbonn K9 Smart is a budget-friendly smartphone with basic features that cater to the needs of users looking for a simple and affordable device. The phone runs on Android v4.4.2 (Kitkat) operating system and is powered by a dual-core 1.2 GHz Cortex A7 processor along with MediaTek MT6572 chipset. It comes with 512 MB of RAM and 8 GB of internal storage which can be expanded up to 32 GB via a microSD card.

The 5.0-inch TFT display has a resolution of 480 x 854 pixels and a pixel density of 196 ppi. The screen is protected by a layer of glass to prevent scratches and damage. The phone features a 3.2 MP primary camera with LED flash and a 1.3 MP front-facing camera for selfies.

In terms of connectivity, the Karbonn K9 Smart supports dual SIM cards with GSM GSM compatibility. It has 3G and 2G network support along with Bluetooth v4.0, GPS with A-GPS, Wi-Fi 802.11 b/g/n, and mobile hotspot capabilities. The phone also has a microUSB 2.0 port for charging and data transfer.

The 2300 mAh battery provides decent standby time of up to 250 hours on 2G networks and talk time of up to 6 hours on 2G networks. The phone comes in black and white color options and has a slim profile with dimensions of 144.7 x 74.1 x 10.1 mm and a weight of 146.3 grams. It also features sensors like light sensor, proximity sensor, and accelerometer.

Pros:
- Affordable price
- Expandable storage
- Dual SIM support
- Decent battery life

Cons:
- Low RAM and internal storage
- Outdated operating system
- Average camera quality
- Limited screen resolution and pixel density