| Hardware and OS vivo Y12i |
| Operating system: | Android 9.0 (Pie), Funtouch 9.1 |
| Processor: | Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53) |
| Chipset: | Qualcomm SDM439 Snapdragon 439 (12 nm) |
| Internal memory: | 32GB 3GB RAM |
| External memory: | microSDXC (uses shared SIM slot) |
| GPU: | Adreno 505 |
| Display vivo Y12i |
| Size: | 6.35 inches, 99.6 cm2 |
| Resolution: | 720 x 1544 pixels |
| Type: | IPS LCD |
| Main Camera vivo Y12i |
| Camera: | 13 MP, f/2.2, PDAF
2 MP, f/2.4, (depth) |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera vivo Y12i |
| Camera: | 8 MP, f/1.8 |
| Video: | 1080p@30fps |
| Connectivity vivo Y12i |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 2100 |
| 4G Network: | 1, 3, 5, 8, 40 |
| Bluetooth: | 4.0, A2DP, LE |
| GPS: | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC: | No |
| Speed: | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| Technology: | GSM / HSPA / LTE |
| USB: | microUSB 2.0, USB On-The-Go |
| WLAN: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Multimedia vivo Y12i |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | FM radio |
| Battery vivo Y12i |
| Type: | Li-Po 5000 mAh, non-removable |
| Charging: | Charging 10W |
| Design vivo Y12i |
| Body build: | Glass front, plastic back, plastic frame |
| Colors: | Agate Red, Mineral Blue |
| Dimensions: | 159.4 x 76.8 x 8.9 mm (6.28 x 3.02 x 0.35 in) |
| Weight: | 190.5 g (6.74 oz) |
| SIM: | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Features vivo Y12i |
| Sensors: | Fingerprint (rear-mounted), accelerometer, proximity, compass |