Karbonn Smart A12 Star mobile was launched in July 2014. The phone comes with a 4.00-inch touchscreen display offering a resolution of  480x800 pixels at a pixel density of 233 pixels per inch (ppi). Karbonn Smart A12 Star is powered by  a 1.2GHz one-core MediaTek processor. It comes with 512MB of RAM. The Karbonn Smart A12 Star runs Android 4.4.2 and  is powered by a 1400mAh non-removable battery.
 As far as the cameras are concerned, the Karbonn Smart A12 Star on the rear packs 5-megapixel camera. It sports a 0.3-megapixel camera on the front for selfies.
Karbonn Smart A12 Star is based on Android 4.4.2 and packs 4GB of inbuilt storage that can be expanded via microSD card (up to 32GB). The Karbonn Smart A12 Star is a dual-SIM (GSM and GSM) mobile that accepts Micro-SIM and Micro-SIM cards. The Karbonn Smart A12 Star measures 64.20 x 124.20 x 10.10mm (height x width x thickness)  and weighs 130.00 grams. It was launched in Black and  Silver colours.
 Connectivity options on the Karbonn Smart A12 Star include   802.11 b/g/n, FM radio, and  3G. Sensors on the  phone include  accelerometer,  ambient light sensor, and  proximity sensor.
As of 4th November 2025, Karbonn Smart A12 Star price in India starts at Rs. 3,655.
                            
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