| Hardware and OS | Digma CITI Z400 3G | |
| Operating system | Android 6.0 | |
| Processor | Spreadtrum SC7731, 1300 MHz | |
| Processor cores number | 4 | |
| RAM | 512 Mb | |
| Internal Storage | 4 GB | |
| Memory Card Slot | yes, volume of up to 128 GB | |
| GPU | Mali-400 MP2 | |
| Display | Digma CITI Z400 3G | other phones |
| Type | colored, sensor | |
| Size | 4" | |
| Resolution | 800x480 | |
| Pixel Density | 233 | |
| Touchscreen | multitouch, capacitive | |
| Aspect Ratio | 5:3 | |
| Connectivity | Digma CITI Z400 3G | other phones |
| Standard | GSM 900/1800/1900, 3G | |
| Interfaces | Wi-Fi 802.11n, Bluetooth 2.1, USB | |
| Multi SIM mode | alternate | |
| SIM-card amount | 2 | |
| Camera | Digma CITI Z400 3G | other phones |
| Main camera | 2 MP | |
| Front camera | 0.3 megapixels | |
| Flash | rear, LED | |
| Video Recording | yes | |
| Multimedia | Digma CITI Z400 3G | other phones |
| Audio | MP3, AAC, WAV, WMA, FM-radio | |
| Design | Digma CITI Z400 3G | other phones |
| Case material | plastic | |
| Case type | classic | |
| Height | 124 mm | |
| Width | 67.5 mm | |
| Thickness | 9.5 mm | |
| Weight | 160 grams | |
| Battery | Digma CITI Z400 3G | other phones |
| Capacity | 1300 mA?h | |
| Battery type | Li-Ion | |
| Other | Digma CITI Z400 3G | other phones |
| Flashlight | yes | |
