vivo Y91 smartphone runs on Android 8.1 (Oreo); Funtouch 4.5 operating system. The phone is powered by Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53) processor. It has 32 GB, 3 GB RAM16 GB, 2 GB RAM. Internal storage options which can be extended with the help of microSD, up to 256 GB. The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 82.9%. The smartphone is fueled with a 4030 mAh, Non-removable Li-Po. The main camera of the smartphone consists of a 13 MP, Dual. The sensors include Fingerprint (rear-mounted), accelerometer, proximity, compass. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, BDS, Wi-Fi, 3.5 mm Jack and more. The vivo Y91 are available in various colors such as Starry Black, Ocean Blue, Red (Y91i only). It measures 155.1 x 75.1 x 8.3 mm and weighs 163.5 g.

Hardware and OS vivo Y91
Operating system:	Android 8.1 (Oreo); Funtouch 4.5
Processor:	Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
Chipset:	Qualcomm SDM439 Snapdragon 439 (12 nm)
GPU:	Adreno 505
Internal memory:	32 GB, 3 GB RAM 16 GB, 2 GB RAM
External memory:	microSD, up to 256 GB
Display vivo Y91
Type:	IPS LCD
Size:	6.22" inc
Resolution:	720 x 1520 px
Touchscreen:	capacitive touchscreen
Screen-to-Body Ratio:	82.9%
Display area:	96.6 cm²
Display aspect ratio:	19:9 (height:width)
Pixel Density:	270 PPI
Colors:	16M
Connectivity vivo Y91
2G Network:	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network:	HSDPA 850 / 900 / 2100
4G Network:	LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500)
Wi-Fi:	Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot
Network:	GSM / HSPA / LTE
SIM card:	Dual SIM (Nano-SIM, dual stand-by)
Bluetooth:	4.2, A2DP, LE
Edge:	Yes
GPRS:	Yes
GPS:	Yes, with A-GPS, GLONASS, BDS
Speed:	HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps
USB:	microUSB 2.0, USB On-The-Go
Camera vivo Y91
Main camera:	13 MP, Dual
Specs:	13 MP, f/2.2, PDAF -2 MP, f/2.4, depth sensor
Features:	LED flash, panorama
Video:	1080p@30fps
Selfie camera:	8 MP, Single
Specs:	8 MP, f/1.8
Multimedia vivo Y91
3.5 mm Jack:	Yes
Radio:	FM radio
Design vivo Y91
Colors:	Starry Black, Ocean Blue, Red (Y91i only)
Dimensions:	155.1 x 75.1 x 8.3 mm
Weight:	163.5 g
Battery vivo Y91
Battery capacity:	4030 mAh, Non-removable Li-Po
Other vivo Y91
Release date:	2018, November
Sensors:	Fingerprint (rear-mounted), accelerometer, proximity, compass