| Brand: | Vivo |
| Model: | Y66i |
| Type: | Smartphone |
| Release Date: | 2017 |
| Size: | 5.5 inches HD |
| Resolution: | 1280 x 720 Pixels, 24 bit color depth |
| Technology: | Screen size 5.5 inches IPS |
| Main Specs: | 13 Megapixels with Single-LED and AF Rear Camera | 5 Megapixel Front Camera |
| Main Video: | 1080p@30fps |
| Selfie Specs: | 5 Megapixel Front Camera |
| Capacity: | 3000 mAh |
| Chipset: | Qualcomm Snapdragon 425 MSM8917, 64-bit Processor |
| Gpu: | Qualcomm Adreno 308, 500MHz |
| Ram: | 3GB LPDDR3, 800MHz |
| Storage: | 32GB External Memory Supports Up to 128GB |
| Expandable: | microSD, microSDHC, microSDXC |
| Os: | Android 7.1 Nougat OS |
| Os Version: | 7.1 |
| Dimensions: | 6.04 in x 2.98 in x 0.29 in |
| Weight: | 157 Grams (With Battery) |
| Sim: | Standard SIM ((Nano-SIM + Nano-SIM), Dual Standby) |
| Wifi: | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi HotSpot |
| Usb: | Micro USBv2.0 with Charging and Mass Storage Function |
| Headphone Jack: | Yes |
| Network: | LTE |
| Sensors: | Accelerometer Proximity Light Gyroscope Sensor |
| Os Family: | Android |
| Os Launch Version: | 7.1 |
