| Hardware and OS | Ark S503 (New) | |
| Operating system | Android 8.1 Oreo Go Edition | |
| Processor | 4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A53, Cores: 8 | |
| GPU | PowerVR GE8320, 650 MHz | |
| RAM | 1 GB, 533 MHz | |
| Internal Storage | 8 GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | Ark S503 (New) | 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 | Ark S503 (New) | other phones |
| 4G Network | Yes | |
| Wi-Fi | b, g, n, Wi-Fi Hotspot, Wi-Fi Direct | |
| GPS | GPS, A-GPS, GLONASS | |
| NFC | No | |
| USB | 2.0, Micro USB | |
| Speed | LTE 800 MHz LTE 1800 MHz LTE 2100 MHz | |
| SIM | Nano SIM | |
| Dual SIM | Nano-SIM, Nano-SIM / microSD | |
| Wireless Charging | No | |
| Camera | Ark S503 (New) | other phones |
| Main camera | 5.04 MP (megapixels) | |
| Features | Dual LED | |
| Image | 2592 x 1944 pixels | |
| Selfie camera | 1.92 MP (megapixels) | |
| Multimedia | Ark S503 (New) | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Ark S503 (New) | other phones |
| Dimensions | 73 x 152 x 7.8 mm | |
| Waterproof | No | |
| Weight | 157 g | |
| Battery | Ark S503 (New) | other phones |
| Capacity | 2000 mAh, Li-Polymer | |
| Other | Ark S503 (New) | other phones |
| Sensors | Proximity, Light, Accelerometer | |
