Vivo Y91 was officially announced in November 2018, Device released in November 2018

Mobile Network Support and Band

Vivo Y91 have Dual, (Nano Sim) Card Slots,Vivo Y91 support all GSM Based network providers. Vivo Y91 mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM 1800,GSM 1900 and Hight Speed 3G Network Band at HSDPA 850,HSDPA 900,HSDPA 1900,HSDPA 2100,Vivo Y91 also support LTE based 4G Networks Support at Frequency level LTE 2100,LTE 1800,LTE 2600,LTE 850,LTE 1700,LTE 900,LTE 1900,LTE 2300,LTE 2500, (VOLTE),comes with network handling support with Network settings and work offline with flight Mode.

Device Body Design and Display

Vivo Y91 is a Phablet device and it have device dimension with . Phone weight including the Battery 162g, (Unofficial). Phone gave a dedicated Volume,Power,Fingerprint Key. Vivo Y91 display enhanced with IPS LCD Capacitive TouchScreen, (Halo FullView Display) capable to display 16.7M Colors at ~270 ppi Pixel Density . Display Resolution of this phone is 720 x 1520 pixels, (HD+) compact with the 6.22 Inch display with Mode.Device has Loudspeaker to amplify music playback and tones,

Device Hardware and Operating System

Vivo Y91 equipped for Android 8.1 (Oreo), (Funtouch OS 4.5) Operating System, Device hardware empoweredby Qualcomm Snapdragon 439 Chipsetand Octa Core Processor Processor handle manipulate tasks,at the speed of .device have 2 GB,3 GB RAM.Vivo Y91 have internal storage 16 GB,32 GB,64 GB, (2GB + 16GB For Vivo Y91i, 3GB + 32GB / 64GB).memory can upgrade Up to 256 GB with MicroSD, (Separate Slot).Vivo Y91 have 13 MP Dual Camera Cameraand there is no Camera Flashand 8.0 MP Secondary front Camera.

Device Photography and Video

Vivo Y91 13 MP and Photo output come at 13 MP, + 2 MP Resolution in size Dual Camera camera help us to catch our favorite movements at Photographs and Videos HD Quality.Photo as includes date tagging and GPS based Geo Tagging.VideoVideo Recording at 1080p 30 FPS, (Slow Motion Video)quality.  Camera has powerful 8X digital zoom help us to focus objects very clear. Autofocus,Touch focus,Face Detection,Smile detection,HDR,Burst Mode,Face Beauty,Voice Capture,Gesture Shot,PDAF Sensor,Low Light Mode,Bokeh / Portrait Mode,Time Lapse,AI Camera Mode,Google Lens, AR Stickers,Live Photo, features also help us to take more precious photos for our daily use.Camera has powerful digital zoom help us to focus objects very clear. Vivo Y91 have secondary front camera and takes high quality photos as well Enhanced Camera features like TV Output helps to connect our device directly through LED, LCD TV through Vivo Y91.Vivo Y91 have Sweep Panorama to take pictures around you.

Memory and Entertainment Features

Vivo Y91 Supports major auto Formats WAV, AAC, AMR, MP3, WMA, MIDI, FLAC, APE, OGG, AAC+, eAAC+ and video Formats 3GP, MP4, FLV, WMV, xVID, AVI, MKV, H.264, M4V, H.265, device haveMini headphone headphone jackVivo Y91 have internal storage 16 GB,32 GB,64 GB, (2GB + 16GB For Vivo Y91i, 3GB + 32GB / 64GB) help to storage enough data of music and video files.expendable memory can upgrade Up to 256 GB with MicroSD, (Separate Slot) Memory Card.Vivo Y91 supports Stereo FM Radio along with FM Recording feature.Device have the power to playback musics Up to 35 Hrs through standard Media Player.able to play videos Up to 7 Hrs

Internet and Data Communication

Vivo Y91 Supports 2G Transfersand 3G TransfersData Transfer with GPRS and with EDGE.Data communication speed through HSPA plus, LTE,Data connection also through Wi-Fi 802.11 a/b/g/n/ac, Dual Bands (2.4 GHz + 5 GHz).Wi-Fi supports dual band Hotspot support to share internet connection through Vivo Y91. Device support to browse web pages through with , which supports you to browse web pages.browser also supports Adobe Flash .
Personal data transfers through Bluetooth 4.2 Device comes with which helps to view mapsand locate our location through GPS Tracking help us for Navigation or Direction . Device supports messaging features SMS,MMS,Email,Push Mail,IM,Hangouts.