| Hardware and OS | Infinix Note 12i | |
| Operating system | Android 12, XOS 10.6 | |
| 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 | microSDXC | |
| Display | Infinix Note 12i | other phones |
| Type | IPS LCD, 90Hz | |
| Size | 6.82 inches, 110.5 cm2(~83.6% screen-to-body ratio) | |
| Resolution | 720 x 1640 pixels | |
| Colors | Blue | |
| Design | Infinix Note 12i | other phones |
| Body build | Glass front, plastic frame, plastic back | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Dimensions | 170.7 x 77.4 x 8.3 mm (6.72 x 3.05 x 0.33 in) | |
| Weight | - | |
| Connectivity | Infinix Note 12i | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40 | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Bluetooth | Yes | |
| GPS | Yes, with A-GPS | |
| NFC | No | |
| USB | USB Type-C 2.0, USB On-The-Go | |
| CDMA | HSDPA 850 / 900 / 2100 | |
| Speed | HSPA 42.2/5.76 Mbps, LTE | |
| Technology | GSM / HSPA / LTE | |
| Main Camera | Infinix Note 12i | other phones |
| Camera | 50 MP, f/1.6, (wide), PDAF
2 MP, f/2.4, (depth)
QVGA | |
| Features | Quad-LED flash, HDR, panorama | |
| Video | 1080p@30fps | |
| Selfie camera | Infinix Note 12i | other phones |
| Camera | 8 MP | |
| Features | Dual-LED flash | |
| Video | 1080p@30fps | |
| Multimedia | Infinix Note 12i | other phones |
| Radio | FM radio | |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes, with dual speakers | |
| Features | Infinix Note 12i | other phones |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | |
| Battery | Infinix Note 12i | other phones |
| Type | Li-Po 5000 mAh, non-removable | |
| Charging | Fast Charging 18W | |
