Vivo Y66i smartphone runs on Android 7.1 Nougat OS operating system. The phone is powered by Quad-Core 1.4GHz ARM Cortex A53 CPU Clock processor. The smartphone has a IPS, LCD capacitive touchscreen providing. The main camera of the smartphone consists of a 13 Megapixels with Single-LED and AF Rear Camera. The sensors include Accelerometer, Proximity, Light, Gyroscope Sensor. Connectivity features in the smartphone include, GPS, A-GPS, Wi-Fi, 3.5 mm Jack and more. It measures 6.04 in x 2.98 in x 0.29 in and weighs 157 Grams (With Battery).

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