| Hardware and OS | Blackview A20 | |
| Operating system | Android 8.0 Oreo Go Edition | |
| Processor | Quad-Core 1.3GHz ARM Cortex-A7 | |
| GPU | ARM Mali-400 MP2, 416 MHz, 2-Cores | |
| RAM | 512MB | |
| Internal Storage | 8GB | |
| Memory Card Slot | External Memory Support up to 32GB | |
| User Interface | Yes | |
| Display | Blackview A20 | other phones |
| Type | IPS, LCD capacitive touchscreen | |
| Size | 5.5 inches | |
| Resolution | 480x960 Pixels, 24 bit color depth | |
| Colors | 16M Colors | |
| Pixel Density | ~ 195 PPI Pixel per inch | |
| Touchscreen | Yes Multi Touch Support | |
| Protection | Yes | |
| Features | IPS display, ~ 195 PPI, Capacitive Touch, Multi-touch, AGC Glass, 18:9 Aspect Ratio, 420 cd/m2, Scratch Resistant | |
| Connectivity | Blackview A20 | other phones |
| 4G Network | Not Support | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Hotspot | |
| GPS | Yes, with A-GPS, GPS | |
| NFC | No | |
| USB | Micro USB v2.0 with Charging and Mass Storage Function | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano, Nano), Dual Standby | |
| Wireless Charging | No | |
| Camera | Blackview A20 | other phones |
| Main camera | 5 Megapixels, 0.3 Megapixels | |
| Features | Yes with Single-LED Flash | |
| Image | 2592 x 1944 Pixels | |
| Selfie camera | 2 Megapixels with F2.8 Aperture, LED Flash | |
| Multimedia | Blackview A20 | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes Support 3GP, H.263, H.264, MKV, AVI, xVID, WMV, FLV, MP4, H.265 | |
| Video Out | Not Support | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | Blackview A20 | other phones |
| Dimensions | 70.7 mm x 146.7 mm x 9.6 mm | |
| Waterproof | No | |
| Weight | 170 Grams (With Battery) | |
| Battery | Blackview A20 | other phones |
| Capacity | 3,000mAh Lithium-Ion | |
| Placement | Removable | |
| Other | Blackview A20 | other phones |
| Sensors | Proximity Sensor, Accelerometer, Ambient Light | |
