This smartphone comes with a 4.3-inch qHD (960×540 pixels) IPS display running on Android 4.1 Jelly Bean. It features an 8-megapixel auto focus camera with LED flash and a 2-megapixel front-facing camera too.
It is powered by a 1.2 GHz dual-core Qualcomm Snapdragon processor alongside 512MB RAM. It has 4GB of internal storage (2.79GB user accessible) with expansion support upto 32GB via microSD.
The Karbonn Retina A27 is a dual-SIM (GSM+GSM) device with dual standby support and comes with 1,800mAh battery.
It has pre-installed apps on the smartphone comprise Flipboard, News and weather apps, Facebook and twitter. Connectivity wise, the device boasts Wi-Fi 802.11 b/g/n, 3G, Bluetooth with A2DP, Micro-USB, GPRS and EDGE.