| Hardware and OS | Micromax A73 | |
| Operating system | Android 2.3 (Gingerbread) | |
| Processor | 650 MHz Cortex-A9 | |
| Chipset | Mediatek MT6573 (65 nm) | |
| GPU | PowerVR SGX531 | |
| Internal memory | 256 MB RAM, 512 MB | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Micromax A73 | other phones |
| Type | TFT | |
| Size | 3.5" inc | |
| Resolution | 320 x 480 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 54.5% | |
| Display area | 36.5 cm2 | |
| Display aspect ratio | 3:2 (height:width) | |
| Pixel Density | 165 PPI | |
| Colors | 256K | |
| Connectivity | Micromax A73 | other phones |
| 2G Network | GSM 900 / 1800 - SIM1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| Network | GSM / HSPA | |
| SIM card | Dual SIM (Mini-SIM) | |
| Bluetooth | 3.0, A2DP | |
| Edge | Class 12 | |
| GPRS | Class 12 | |
| GPS | Yes | |
| Speed | HSPA 7.2/5.76 Mbps | |
| USB | microUSB 2.0 | |
| Camera | Micromax A73 | other phones |
| Main camera | 2 MP, Single | |
| Specs | 2 MP | |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Micromax A73 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Micromax A73 | other phones |
| Colors | Black | |
| Dimensions | 108 x 62 x 12 mm | |
| Battery | Micromax A73 | other phones |
| Battery capacity | 1300 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 240 h
Talking time- Up to 4 h (2G) / Up to 5 h (3G)
| |
| Other | Micromax A73 | other phones |
| Release date | 2011 | |
| Sensors | Accelerometer | |
