Specifications:
| Launch Date | December 7, 2018 (Official) | |
| Brand | Vivo | |
| Model | Y81i | |
| Operating System | Android v8.1 (Oreo) | |
| Custom UI | Funtouch OS | |
| SIM Slot(s) | Dual SIM, GSM+GSM | |
| SIM Size | SIM1: Nano SIM2: Nano | |
| Network | 4G: Available (supports Indian bands) 3G: Available, 2G: Available | |
| Fingerprint Sensor | No |
| Height | 155 mm Compare Size | |
| Width | 75 mm | |
| Thickness | 7.7 mm | |
| Weight | 143 grams | |
| Colours | Black, Gold |
| Screen Size | 6.22 inches (15.8 cm) | |
| Screen Resolution | 720 x 1520 pixels | |
| Aspect Ratio | 19:9 | |
| Bezel-less display | with notch | |
| Pixel Density | 270 ppi | |
| Display Type | IPS LCD | |
| Touch Screen | Capacitive Touchscreen, Multi-touch | |
| Screen to Body Ratio (calculated) | 82.66 % |
| Chipset | MediaTek Helio A22 | |
| Processor | Quad core, 2 GHz, Cortex A53 | |
| Graphics | PowerVR GE8300 | |
| RAM | 2 GB |
| Internal Memory | 16 GB | |
| Expandable Memory | Up to 256 GB | |
| USB OTG Support | Yes |
| MAIN CAMERA | ||
| Resolution | 13 MP Primary Camera | |
| Autofocus | Yes | |
| Physical Aperture | F2.2 | |
| Flash | LED Flash | |
| Image Resolution | 4128 x 3096 Pixels | |
| Settings | Exposure compensation | |
| Shooting Modes | Continuos Shooting, High Dynamic Range mode (HDR) | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| FRONT CAMERA | ||
| Resolution | 5 MP Front Camera | |
| Physical Aperture | F2.2 | |
| Capacity | 3260 mAh | |
| Type | Li-ion | |
| User Replaceable | No |
| SIM Size | SIM1: Nano, SIM2: Nano | |
| Network Support | 4G (supports Indian bands), 3G, 2G | |
| VoLTE | Yes | |
| SIM 1 | 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | |
| SIM 2 | 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available | |
| Wi-Fi | Wi-Fi 802.11, b/g/n | |
| Wi-Fi Features | Mobile Hotspot | |
| Bluetooth | v5.0 | |
| GPS | with A-GPS, Glonass | |
| USB Connectivity | Mass storage device, USB charging, microUSB 2.0 |
| FM Radio | Yes | |
| Loudspeaker | Yes | |
| Audio Jack | 3.5 mm |
| Fingerprint Sensor | No | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
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