Micromax A57 mobile was launched in June 2013. The phone comes with a 3.50-inch touchscreen display offering a resolution of 320x480 pixels at a pixel density of 165 pixels per inch (ppi). Micromax A57 is powered by a 1GHz one-core Qualcomm Snapdragon S1 processor. It comes with 256MB of RAM. The Micromax A57 runs Android and is powered by a 1400mAh removable battery.
As far as the cameras are concerned, the Micromax A57 on the rear packs 3-megapixel camera.
Micromax A57 is based on Android and packs 150MB of inbuilt storage that can be expanded via microSD card (up to 32GB). The Micromax A57 is a dual-SIM (GSM and GSM) mobile that accepts Regular and Regular cards. The Micromax A57 measures 116.00 x 62.00 x 11.50mm (height x width x thickness) and weighs 93.80 grams. It was launched in Black colour.
Connectivity options on the Micromax A57 include Wi-Fi, GPS, Bluetooth v2.10, FM radio, and 3G. Sensors on the phone include accelerometer and proximity sensor.
| Alternate names | Ninja 3.0 |
| Brand | Micromax |
| Model | A57 |
| Release date | June 2013 |
| Form factor | Bar |
| Dimensions (mm) | 116.00 x 62.00 x 11.50 |
| Weight (g) | 93.80 |
| Battery capacity (mAh) | 1400 |
| Removable battery | Yes |
| Colours | Black |
| Screen size (inches) | 3.50 |
| Touchscreen | Yes |
| Resolution | 320x480 pixels |
| Pixels per inch (PPI) | 165 |
| Processor | 1GHz one-core |
| Processor make | Qualcomm Snapdragon S1 |
| RAM | 256MB |
| Internal storage | 150MB |
| Expandable storage | Yes |
| Expandable storage type | microSD |
| Expandable storage up to (GB) | 32 |
| Rear camera | 3-megapixel |
| Rear flash | No |
| Front camera | No |
| Operating system | Android |
| Wi-Fi | Yes |
| GPS | Yes |
| Bluetooth | Yes, v 2.10 |
| NFC | No |
| Infrared | No |
| USB OTG | No |
| Headphones | 3.5mm |
| FM | Yes |
| Number of SIMs | 2 |
| Wi-Fi Direct | No |
| Mobile High-Definition Link (MHL) | No |
| SIM 1 | |
| SIM Type | Regular |
| GSM/CDMA | GSM |
| 3G | Yes |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| SIM 2 | |
| SIM Type | Regular |
| GSM/CDMA | GSM |
| 3G | No |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| Compass/ Magnetometer | No |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | No |
| Gyroscope | No |
| Barometer | No |
| Temperature sensor | No |