| Hardware and OS | TECNO Camon 18i | |
| Operating system | Android 11, HIOS 7.6 | |
| Processor | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | |
| Chipset | MediaTek Helio G85 (12nm) | |
| GPU | Mali-G52 MC2 | |
| Internal memory | 128GB 4GB RAM | |
| External memory | Unspecified | |
| Display | TECNO Camon 18i | other phones |
| Type | IPS LCD, 90Hz | |
| Size | 6.6 inches, 103.4 cm2(~82.2% screen-to-body ratio) | |
| Resolution | 720 x 1640 pixels | |
| Colors | Deep Sea, Frost Silver, Tranquil Green | |
| Design | TECNO Camon 18i | other phones |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Dimensions | 164.5 x 76.5 x 8.9 mm (6.48 x 3.01 x 0.35 in) | |
| Weight | - | |
| Connectivity | TECNO Camon 18i | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 2100 | |
| 4G Network | LTE | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | |
| Bluetooth | 5.0, A2DP, LE | |
| GPS | Yes, with A-GPS | |
| NFC | No | |
| USB | microUSB 2.0, USB On-The-Go | |
| Speed | HSPA, LTE | |
| Technology | GSM / HSPA / LTE | |
| Main Camera | TECNO Camon 18i | other phones |
| Camera | 48 MP, (wide), AF
Other unspecified cameras | |
| Features | Quad-LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | TECNO Camon 18i | other phones |
| Camera | 16 MP, f/2.0 | |
| Features | Dual-LED flash | |
| Video | 1080p@30fps | |
| Multimedia | TECNO Camon 18i | other phones |
| Radio | FM radio | |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Features | TECNO Camon 18i | other phones |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | |
| Battery | TECNO Camon 18i | other phones |
| Type | Li-Po 5000 mAh, non-removable | |
| Charging | Fast charging 18W | |
