| Hardware and OS | LG Q9 One | |
| Operating system | Android 9.0 Pie | |
| Processor | 4x 2.45 GHz Kryo 280, 4x 1.9 GHz Kryo 280, Cores: 8 | |
| GPU | Qualcomm Adreno 540, 710 MHz | |
| RAM | 4 GB, 1866 MHz | |
| Internal Storage | 64 GB | |
| Memory Card Slot | microSD, microSDHC, microSDXC | |
| User Interface | Yes | |
| Display | LG Q9 One | other phones |
| Type | IPS | |
| Size | 6.1 inches | |
| Resolution | 1440 x 3120 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 563 ppi | |
| Touchscreen | Yes Multi Touch Support | |
| Features | Capacitive, Multi-touch | |
| Connectivity | LG Q9 One | other phones |
| 4G Network | Yes | |
| Wi-Fi | a, b, g, n, n 5GHz, ac, Dual band, Wi-Fi Hotspot, Wi-Fi Direct | |
| GPS | GPS, A-GPS, GLONASS, BeiDou | |
| NFC | No | |
| USB | 2.0, USB Type-C | |
| Speed | LTE 850 MHz LTE 1700/2100 MHz LTE 1900 MHz LTE 700 MHz (B12) | |
| SIM | Nano SIM | |
| Dual SIM | Nano-SIM | |
| Wireless Charging | No | |
| Camera | LG Q9 One | other phones |
| Main camera | 16.26 MP (megapixels) | |
| Features | LED | |
| Image | 4656 x 3492 pixels | |
| Selfie camera | 7.99 MP (megapixels) | |
| Multimedia | LG Q9 One | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | Yes | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | yes | |
| Design | LG Q9 One | other phones |
| Dimensions | 71.9 x 153.2 x 7.9 mm | |
| Waterproof | No | |
| Weight | 156 g | |
| Battery | LG Q9 One | other phones |
| Capacity | 3550 mAh, Li-Polymer | |
| Other | LG Q9 One | other phones |
| Sensors | Proximity, Light, Accelerometer, Compass, Gyroscope, Fingerprint | |
