| Hardware and OS Vivo Y66i |
| Operating system: | Android 7.1 Nougat OS |
| Processor: | Quad-Core 1.4GHz ARM Cortex A53 CPU Clock |
| GPU: | Qualcomm Adreno 308, 500MHz |
| RAM: | 3GB |
| Internal Storage: | 32GB |
| Memory Card Slot: | microSD, microSDHC, microSDXC |
| User Interface: | Yes with Funtouch OS 3.2 |
| Display Vivo Y66i |
| Type: | IPS, LCD capacitive touchscreen |
| Size: | 5.5 inches HD |
| Resolution: | 1280 x 720 Pixels, 24 bit color depth |
| Colors: | 16M Colors |
| Pixel Density: | ~ 267 ppi |
| Touchscreen: | Yes Multi Touch Support |
| Protection: | Yes |
| Features: | IPS, HD Display, ~ 267 PPI Pixel Density, Capacitive Multi-touch, Scratch Resistant, 2.5D Curved Glass Screen |
| Connectivity Vivo Y66i |
| 4G Network: | LTE : 850/ 1800 / 2100 MHz, LTE-TDD : 1900 MHz (Band 39), LTE-TDD : 2300 MHz (Band 40), LTE-TDD : 2500 MHz (Band 41), LTE-TDD : 2600 MHz (Band 38) |
| Wi-Fi: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi HotSpot |
| GPS: | Yes, with GPS, A-GPS |
| NFC: | No |
| USB: | Micro USBv2.0 with Charging and Mass Storage Function |
| Speed: | LTE Cat-4 150 Mbps Download, 50 Mbps Upload, HSUPA 5.76 Mbps Upload, HSDPA 21 Mbps Download, EV-DO Rev.A 1.8 Mbps Upload, 3.1 Mbps Download |
| SIM: | Standard SIM |
| Dual SIM: | (Nano-SIM, Nano-SIM), Dual Standby |
| Camera Vivo Y66i |
| Main camera: | 13 Megapixels with Single-LED and AF Rear Camera |
| Features: | Yes with Single-LED Flash |
| Image: | 4160 x 3120 Pixels |
| Selfie camera: | 5 Megapixel Front Camera |
| Multimedia Vivo Y66i |
| Loudspeaker: | Yes with Single Speaker |
| Radio: | Yes |
| Video Playback: | Up to 7.5 Hours |
| Video Out: | Yes With Wireless Media Link |
| Ring Tones: | AAC, WAV ringtones |
| 3.5 mm Jack: | yes |
| Design Vivo Y66i |
| Dimensions: | 6.04 in x 2.98 in x 0.29 in |
| Weight: | 157 Grams (With Battery) |
| Battery Vivo Y66i |
| Capacity: | 3,000 mAh |
| Placement: | Non-Removable |
| Other Vivo Y66i |
| Sensors: | Accelerometer, Proximity, Light, Gyroscope Sensor |
