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| OS: Android v2.3 (Gingerbread) CPU: 1 GHz, Single Core Processor RAM: 256 MB Display: 3.5 inches, 480 x 320 pixels Camera: 0.3 MP Battery: 1500 mAh, Li-ion Battery | 
| Hardware and OS Micromax Bolt A28 | |
| Operating System: | Android v2.3 (Gingerbread) | 
| Processor: | 1 GHz, Single Core Processor | 
| RAM: | 256 MB | 
| Internal Memory: | 512 MB | 
| Memory Card Slot: | Yes, upto 32 GB | 
| Graphics: | Mali-300 | 
| Dual Sim: | Yes | 
| Sim Type: | Dual Sim, GSM GSM | 
| Display Micromax Bolt A28 | |
| Screen Size: | 3.5 inches, 480 x 320 pixels | 
| Display Type: | Color TFT screen (65K colors) | 
| Pixel Density: | ~165 PPI | 
| Touch Screen: | Yes | 
| Display aspect ratio: | 3:2 | 
| Connectivity Micromax Bolt A28 | |
| 3G Network: | No | 
| Bluetooth: | Yes, v2.1 | 
| EDGE: | Yes | 
| GPRS: | Yes | 
| GPS: | Yes, with A-GPS Support | 
| USB: | Yes, microUSB | 
| USB Features: | USB Tethering | 
| Wifi: | Yes, with wifi-hotspot | 
| Camera Micromax Bolt A28 | |
| Main camera: | 0.3 MP | 
| Video Recording: | 320 x 480 px | 
| Selfie camera: | 0.3 MP | 
| Multimedia Micromax Bolt A28 | |
| Headphone jack: | Yes | 
| Email: | Yes | 
| FM Radio: | Yes, with FM Recording | 
| Music: | MP3, MIDI, WAV | 
| Video: | MP4, 3GP, 3GP | 
| Java: | Yes, via 3rd party | 
| Supports: | MMS, Calendar | 
| Design Micromax Bolt A28 | |
| Case type: | Classic (Candybar) | 
| Dimensions: | 116.9 x 62.5 x 12.5 mm | 
| Weight: | 89 g | 
| Battery Micromax Bolt A28 | |
| Battery capacity: | 1500 mAh, Li-ion Battery | 
| Type: | Removable Battery | 
| StandBy Time: | 10 days | 
| Talk Time: | 4 hours | 
|  | Lyciso | March 03, 2024 | 
| I appreciate the simplicity and reliability of my feature phone. It has a long battery life and is easy to use. | ||
| Reply | ||
|  | Hiqelll | May 10, 2024 | 
| Outdated OS, slow processor, limited RAM, poor camera quality. | ||
| Reply | ||
|  | Gldlvo-Klh | May 04, 2024 | 
| Not recommended, slow and outdated software. | ||
| Reply | ||