| Hardware and OS | UMIDIGI S2 | |
| Operating system | Android 6.0 (Marshmallow), Android 7.0 (Nougat) | |
| GPU | Mali-T880 MP2 | |
| RAM | 4GB LPDDR3 | |
| Internal Storage | 64GB | |
| Memory Card Slot | Yes (up to 256GB) | |
| User Interface | Google UI (Stock), UMI OS | |
| Display | UMIDIGI S2 | other phones |
| Type | TFT | |
| Size | 5.99 inch | |
| Resolution | 1440 x 720 (FHD - 18:9 Ratio) | |
| Colors | 16 Million Colors | |
| Pixel Density | 268 ppi | |
| Touchscreen | Yes | |
| Protection | Corning Gorilla Glass 4 | |
| Features | Capacitive Touchscreen | |
| Connectivity | UMIDIGI S2 | other phones |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Single Band, Wi-Fi Direct | |
| GPS | Yes - GPS/ AGPS | |
| NFC | No | |
| USB | USB-C 2.0, Support USB Audio | |
| Speed | HSPA, HSPA , LTE | |
| SIM | Nano SIM | |
| Dual SIM | Yes (With Hybrid MicroSD Expansion) | |
| Camera | UMIDIGI S2 | other phones |
| Main camera | 13 MP (IMX258), 5 MP f/2.0 | |
| Features | LED Flash | |
| Selfie camera | 5 MP | |
| Multimedia | UMIDIGI S2 | other phones |
| Loudspeaker | Yes | |
| Video Playback | 3GP, MPEG4 | |
| Ring Tones | Yes | |
| 3.5 mm Jack | No | |
| Design | UMIDIGI S2 | other phones |
| Dimensions | 158.1 x 74.6 x 8.8 mm | |
| Waterproof | No | |
| Weight | 186g | |
| Battery | UMIDIGI S2 | other phones |
| Placement | Non-Removable | |
| Other | UMIDIGI S2 | other phones |
| Sensors | Fingerprint Sensor (Rear), Proximity Sensor, Ambient Light Sensor, Accelerometer, Magnetometer | |