| Hardware and OS | Celkon A403 | |
| Operating system | Android 4.4.2 (KitKat) | |
| Processor | 1.0 GHz | |
| Chipset | Spreadtrum SC7715 | |
| Internal memory | 4 GB, 512 MB RAM | |
| External memory | microSD, up to 32 GB | |
| Display | Celkon A403 | other phones |
| Size | 4" inc | |
| Resolution | 480 x 800 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 56.1% | |
| Display area | 45.5 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 233 PPI | |
| Connectivity | Celkon A403 | other phones |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n | |
| Network | GSM / HSPA | |
| SIM card | Dual SIM | |
| Bluetooth | 2.0 | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | A-GPS | |
| Speed | HSPA | |
| USB | microUSB 2.0 | |
| Camera | Celkon A403 | other phones |
| Main camera | 3.15 MP, Single | |
| Specs | 3.15 MP | |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | 1.3 MP, Single | |
| Multimedia | Celkon A403 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Celkon A403 | other phones |
| Colors | Black, Light Blue, Red, Yellow | |
| Dimensions | 125 x 65 x 10.2 mm | |
| Weight | 113 g | |
| Battery | Celkon A403 | other phones |
| Battery capacity | 1400 mAh, Li-Ion | |
| Other | Celkon A403 | other phones |
| SAR | SAR EU - 0.38 W/kg (head), 0.68 W/kg (body) | |
| Release date | 2015, August | |
| Sensors | Accelerometer | |
