Here where you will be able to take a look to the top vivo Y91 review to know what are the terminologies related to vivo Y91 features, in terms of battery capacity, processor type, screen size, etc. Consequently, you will get a good idea of their meanings well, and you’ll be able to choose wisely when you purchase a new cellular phone.
vivo Y91 model status in the market is: Available. However, it is announced by vivo company on 11/1/2018 and Released 2018, November.
vivo Y91 has 16GB 2GB RAM, and 4030 mAh battery life (the more mAh value gives more strength to the battery). When you buy vivo Y91, you will gain 13 MP, f/2.2, PDAF rear camera and 8 MP, f/2.2 selfie camera.
vivo Y91 comes with a 6.22 inches, 96.6 cm2 display size .
vivo Y91 has these software and hardware platforms:
* Android 8.1 (Oreo), Funtouch 4.5 OS,
* Qualcomm SDM439 Snapdragon 439 (12 nm) Chipset
* Octa-core (4×1.95 GHz Cortex-A53 & 4×1.45 GHz Cortex A53) Processor.
In this article, you will find vivo Y91 review which will demonstrate the main vivo Y91 specifications that you need to make a wise decision about your new smartphone.
vivo Y91 Review of The Body Features
When planning to buy a new mobile phone, the body parameters must be taken into consideration. These physical specs include body size, weight, and build. You can read vivo Y91 review in terms of the body characteristics in the lines that follow.
* Body Dimensions: 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) which mean height, width, and thickness (depth) respectively.
* Body Weight: 163.5 g (5.78 oz).
For smartphones, a weight between 140g to 170g is considered appropriate and suitable for most people.
* Body Build: Glass front, plastic back, plastic frame.
The following body kinds of the cellular phones are available:
* Metal. Due to the fact that it is made of metals, it is the most powerful in terms of protecting the cellular phone’s internal parts.
* Plastic. This type could be more sturdy than metal because it doesn’t bend. Additionally, because it doesn’t break easily, it has a longer operating life than a glass one.
* Glass. This type of mobile phone’s body looks more shiny and appealing, despite the fact that the fragile nature of glass makes it more breakable.
Get Your Preferred Color – vivo Y91 Review
There is no better or worse color for the smartphones case, but it depends on two factors: the first one is your personal taste, the second is the type of work you do.
vivo Y91 comes in the following colors: Starry Black, Ocean Blue.
vivo Y91 Review In Terms of Display features
We use cellphone to work, voice calls, watch movies and videos, play games, do photography, and even extensive reading. These tasks are easily accomplished on large-screen devices with real blacks, high contrast ratios, and good visibility from various angles..
The next lines will explain the primary display characteristics of vivo Y91.
Display Type: IPS LCD – Keep in mind that you should search for a display type that provides more vivid colors and real black.
Display Size: 6.22 inches, 96.6 cm2 – The common standard screen size of cellular phones now averages between 4.7 and 6.5 inches.
Screen To Body Ratio: (~82.9% screen-to-body ratio). It refers to the percentage of how much the screen covers the front face. Smartphones that have the largest screen to body ratio look delicate and give it a premium look.
Display Ratio: 19:9 ratio. the Aspect ratio is the relevance between the height and width of the smartphone screen. Taller aspect ratios like 19.5:9 is coming with the most modern smartphones, and it is suitable for web browsing, and other portrait orientation apps.
Display Resolution: 720 x 1520 pixels. It is the clarity of an image video in details and sharpness. The pixel resolution for high definition screens is 1920 x 1080.
Display Density: (~270 ppi density). It is the number of physical pixels per inch on a screen, and is measured in Pixels Per Inch (ppi).
Best vivo Y91 Review For Camera Features
In the following lines, you will find vivo Y91 review about the main cameras.
* Main Camera Single: {13 MP, f/2.2, PDAF}.
Here are explanations about some of the symbols included in the camera specifications:
MP (Megapixels) is the resolution of the image taken by a mobile phone.
(f value) is the aperture of a lens indicates how much light it lets in. A bigger aperture lets in more light, and vice versa..
(mm value) This measurement is of the lens’s focal length, which affects the final image that is produced by your camera.
AutoFocus (AF) is the function of a camera to automatically focus on a subject.
* Main Camera Dual: 2 MP, f/2.4, (depth)
The main camera features are as follows:
LED flash, panorama, 1080p@30fps main video camera.
Here is the vivo Y91 review of the selfie camera:
* Selfie Camera Single: 8 MP, f/2.2
The main camera specs are:
LED flash,
What’s The SIM card? vivo Y91 Review
A SIM (Subscriber Identity Module) is a smart card that connects your cell phone to the mobile network so that you can make calls, send SMS messages, and use mobile internet services like 3G, 4G LTE, and 5G. For more info about 3G / 4G networks, refer to vivo Y91 3G or vivo Y91 4G articles You can use your cellphone without a SIM card for many things, like playing games, using the calculator, saving notes, taking photos, and many other applications. The following three sizes are available for SIM cards: Standard (Mini), Micro, and Nano.
This smartphone model comes with Dual SIM (Nano-SIM, dual stand-by) card. For more info, refer to How to insert SIM card in vivo Y91 article.
Here are the popular SIM card kinds:
* Nano SIM. This removable SIM card size is the smallest available one, so it is the most modern one (other than eSIMs, which we’ll talk about it very soon) and most current mobile phones are using it.
* Micro SIM. They have a little bit larger chip, and they’re seldom been used in the recent years.
* Standard SIM (Mini SIM). It is the biggest SIM card size in use, and it’s the most seldom used.
* eSIM. It is an embedded SIM card, meaning that you can’t remove it from your smartphone.
The Performance – vivo Y91 Review
This model has Qualcomm SDM439 Snapdragon 439 (12 nm) chipset.
Advanced embedded chipsets in cellular phones allows the performing of many different tasks depending on their programming. They are built-in as part of the complete device including hardware and mechanical parts. The most famous chipset types are: QUALCOMM Snapdragon, INTEL ATOM, and MEDIATEK CHIPSETS..
vivo Y91 has Octa-core (4×1.95 GHz Cortex-A53 & 4×1.45 GHz Cortex A53) CPU.
CPU (Central Processing Unit) performance is vital for the daily user experience. Thus, the higher the number of cores, and the higher the number of processing speed the better the performance will be..
vivo Y91 has the following GBU (Graphics Processing Unit): Adreno 505.
This chip is responsible for handling all graphics jobs. Actually, Users are now more familiar about the various GPU chip kinds included in smartphone chipsets and sometimes take their performance into account when making purchases.
Storage Capacity and specifications – vivo Y91 Review
One of the main deciding factors when you want to buy a new cellphone is the amount of storage it offers. Actually, vivo Y91 comes with microSDXC memory card slot, and the following internal memory: 16GB 2GB RAM – 32GB 2GB RAM – 32GB 3GB RAM
Two types of phone’s memory are available:
Internal: It is built in the phone, and can’t be expanded. Nowadays, the majority of cellular phones have internal memory that is at least 32GB or 64GB and a few high-end models feature 256GB or 512GB.
External: It is a removable SD card used as an extra storage to save photos, music, videos, etc., regardless of the type of SD card slot.
Mobile Networks and communication – vivo Y91 Review
A mobile network, often known as a wireless network, is a technology for transmitting and receiving radio waves between users. It is made up of base stations, each of which comprises a different region or “cell”. This makes it possible for several portable devices such as cellular phones to connect together. Actually, 3 types of working mobile networks: 3G, 4G (LTE), and 5G.
vivo Y91 supports the following networks: 3G. For more information, refer to vivo Y91 3G article. – 4G. For more info, refer to vivo Y91 4G article.
Read About Wireless Connections – vivo Y91 Review
This model comprises the following wireless communications:
* WLAN connection: {Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot}. Wireless Local Area Network uses Wi-Fi to communicate to the home or office wireless network using the local router and provides Internet access.
* Bluetooth connection: {4.2, A2DP, LE}. It is a common wireless communication protocol used to connect two devices together over short ranges, allowing them share data between different devices.
* GBS connection: {Yes, with A-GPS, GLONASS, BDS}.Global Positioning System allows cellular phone to determine any position you need.
* USB connection: {microUSB 2.0, USB On-The-Go}.Universal Serial Bus is wired technology that allows users to connect two devices, such as a smartphone with a PC, to either transfer data or to charge the connected device.
* Features Sensors: {Fingerprint (rear-mounted), accelerometer, proximity, compass}. The sensor is a device that detects and majors the changes in the nearby environment such as ambient light and motion.
vivo Y91 Review – The Operating System
This model comes with {Android 8.1 (Oreo), Funtouch 4.5} operating system.
Battery Main Specs – vivo Y91 Review
Nothing is more essential than the mobile phone’s battery, which powers these gadgets and grants daily life going. In the following lines, you’ll see vivo Y91 review of its main battery.
* Battery Technology: {Li-Po}.
* vivo Y91 comes with {non-removable} battery.
* Battery Capacity: {4030} mAh. It refers to the amount of storage volume a particular battery may offer. A battery with 3100 mAh capacity rating could supply a current of 3100 mA for one hour. Higher mAh ratings for the same battery type will usually mean more working time.
The Battery Secondary Specs – vivo Y91 Preview
Along with the main vivo Y91 characteristics that we just discussed, this model contains extra battery-related characteristics that vary somewhat depending on the type of cellular phone.