| Hardware and OS | Karbonn A3 Star | |
| Operating System | Android v2.3.6 (Gingerbread) | |
| Processor | 1 GHz, Single Core Processor | |
| Memory Card Slot | Yes, upto 32 GB | |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | Karbonn A3 Star | other phones |
| Screen Size | 3.5 inches, 320 x 480 pixels | |
| Display Type | Color TFT screen (256K colors) | |
| Pixel Density | ~165 PPI | |
| Touch Screen | Yes | |
| Display aspect ratio | 3:2 | |
| Connectivity | Karbonn A3 Star | other phones |
| 3G Network | No | |
| Bluetooth | Yes | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | No | |
| USB | Yes, microUSB v2.0 | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | Karbonn A3 Star | other phones |
| Main camera | 3 MP | |
| Selfie camera | No | |
| Multimedia | Karbonn A3 Star | other phones |
| Headphone jack | Yes | |
| Email | Yes, with Push Email | |
| FM Radio | Yes | |
| Music | MP3 | |
| Video | Yes | |
| Browser | Yes, supports HTML | |
| Java | Yes, via 3rd party | |
| Supports | MMS, Instant Messanging, YouTube Player | |
| Design | Karbonn A3 Star | other phones |
| Case type | Classic (Candybar) | |
| Battery | Karbonn A3 Star | other phones |
| Battery capacity | 1400 mAh, Li-ion Battery | |
| Type | Removable Battery | |
