| Hardware and OS | Celkon A90 | |
| Operating system | Android 2.3.5 (Gingerbread) | |
| Processor | 650 MHz | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Celkon A90 | other phones |
| Type | TFT | |
| Size | 4" inc | |
| Resolution | 480 x 800 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 53.9% | |
| Display area | 45.5 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 233 PPI | |
| Connectivity | Celkon A90 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | |
| Network | GSM / HSPA | |
| SIM card | Dual SIM (Mini-SIM) | |
| Bluetooth | 2.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA | |
| USB | microUSB 2.0 | |
| Camera | Celkon A90 | other phones |
| Main camera | 5 MP, Single | |
| Specs | 5 MP | |
| Video | Yes | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Celkon A90 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | Stereo FM radio, RDS, recordin | |
| Design | Celkon A90 | other phones |
| Colors | Black | |
| Dimensions | 128 x 66 x 11.5 mm | |
| Weight | 128 g | |
| Battery | Celkon A90 | other phones |
| Battery capacity | 1420 mAh, Li-Ion | |
| Battery life | Stand by time- Up to 300 h Talking time- Up to 8 h 20 min
| |
| Other | Celkon A90 | other phones |
| Release date | 2012, Q2 | |
| Sensors | Accelerometer, proximity, compass | |