Karbonn A 1 Star comes with a 3.5 Inch display with 480 x 320 pixel resolution similar to its predecessor Karbonn A1. Also a similar 1 GHz processor has been used to power this smartphone. On the software front this phone has been upgraded to Android 4.0 ICS from Android v2.3. RAM Capacity is 256 MB and the internal storage memory is 512 MB which can be further extended to 32 GB using microSD card. Karbonn A1 Star comes with a 3 MP primary camera along with a VGA front camera for video calling. This phone supports Dual SIM and connectivity features like 2G, Wi-Fi, Bluetooth and 3.5 mm audio jack. The battery capacity is a moderate 1450mAh which will serve the intended purpose and is likely to carry you through the day with moderate usage. Karbonn A5 Sports a smaller 3.2 inch display with similar 480 x 320 pixel resolution. The processor of this device has been upgraded to 1GHz from 800 MHz in the previous version. The Operating system is the same Android 2.3 Ginger bread O.S. RAM Capacity is 256 MB and the internal storage memory is 512 MB which can be further extended to 32 GB using microSD card. The primary camera of this device has been upgraded to 3.2 MP from 2 MP. A 0.3 MP VGA camera is also present for video calling. This dual SIM phone supports 3G connectivity. The battery capacity is disappointing at 1200 mAh which will drain up pretty quick if you use 3G features. Other connectivity features include Wi-Fi, Bluetooth and 3.5 mm audio jack. While most features of Karbonn A1 Star are similar to its predecessor Karbonn A5 Star brings some Significant Hardware updates but obsolete Operating system. As said earlier these devices are Entry level devices meant for basic Android experience only. Karbonn A1 Star is priced at 3,514 INR and Karbonn A5 Star will cost you 4890 INR from Saholic and Flipkart.