| Hardware and OS | Celkon A400 Plus | |
| Operating System | Android v4.4.2 (KitKat) | |
| Processor | 1 GHz, Single Core Processor | |
| RAM | 256 MB | |
| Memory Card Slot | Yes, upto 32 GB | |
| Dual Sim | Yes | |
| Sim Type | Dual Sim, GSM GSM | |
| Display | Celkon A400 Plus | other phones |
| Screen Size | 4 inches, 480 x 800 pixels | |
| Pixel Density | ~233 PPI | |
| Touch Screen | Yes | |
| Display aspect ratio | 5:3 | |
| Connectivity | Celkon A400 Plus | other phones |
| 3G Network | No | |
| 4G Network | No | |
| Bluetooth | Yes | |
| EDGE | Yes | |
| GPRS | Yes | |
| GPS | No | |
| Wifi | Yes, with wifi-hotspot | |
| Camera | Celkon A400 Plus | other phones |
| Main camera | 2 MP | |
| Flash | Yes | |
| Selfie camera | 0.3 MP | |
| Multimedia | Celkon A400 Plus | other phones |
| Headphone jack | Yes | |
| FM Radio | No | |
| Java | Yes, via 3rd party | |
| Design | Celkon A400 Plus | other phones |
| Dimensions | 125 x 64 x 10.4 mm | |
| Battery | Celkon A400 Plus | other phones |
| Battery capacity | 1500 mAh | |
| Type | Removable Battery | |
