| Hardware and OS | Ulefone S1 Pro | |
| Operating system | Android 8.1 Oreo Go Edition | |
| Processor | ARM Cortex-A53, 1300 MHz, Cores: 4 | |
| GPU | PowerVR GE8100 | |
| RAM | 1 GB, 667 MHz | |
| Internal Storage | 16 GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Ulefone S1 Pro | other phones |
| Type | IPS | |
| Size | 5.5 inches | |
| Resolution | 480 x 960 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 195 ppi | |
| Touchscreen | Yes | |
| Protection | 2.5D curved glass screen | |
| Features | Capacitive, Multi-touch | |
| Connectivity | Ulefone S1 Pro | other phones |
| 4G Network | Yes | |
| Wi-Fi | a, b, g, n, n 5GHz, Dual band, Wi-Fi Hotspot | |
| GPS | GPS, A-GPS | |
| NFC | No | |
| USB | 2.0, Micro USB | |
| Speed | LTE 800 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz | |
| SIM | Nano SIM | |
| Dual SIM | Nano-SIM / microSD, Nano-SIM | |
| Wireless Charging | No | |
| Camera | Ulefone S1 Pro | other phones |
| Main camera | 7.99 MP (megapixels) | |
| Features | Dual LED | |
| Image | 3264 x 2448 pixels | |
| Selfie camera | 1.92 MP (megapixels) | |
| Multimedia | Ulefone S1 Pro | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Ulefone S1 Pro | other phones |
| Dimensions | 70.7 x 148.6 x 9.55 mm | |
| Waterproof | No | |
| Weight | 183 g | |
| Battery | Ulefone S1 Pro | other phones |
| Capacity | 3000 mAh, Li-Ion | |
| Other | Ulefone S1 Pro | other phones |
| Sensors | Proximity, Light, Accelerometer | |
