When you want to get a new mobile phone, this vivo Y91i review will make it easier for you to understand those tons of hazy jargon which you’ll find in vivo Y91i catalog, e.g. storage capacity, Exynos chipset, battery strength (mAh), and display features.
vivo company declared vivo Y91i mobile phone model on 11/1/2018, and released in 2018, November. However, this model’s status in the market is Available.
vivo Y91i comes with a 6.2 inches, 95.9 cm2 screen size
vivo Y91i has 16GB 2GB RAM, and 4030 mAh battery life (the more mAh value gives more strength to the battery). When you buy vivo Y91i, you will gain a 13 MP, f/2.2, PDAF rear camera and Motorized pop-up 16 MP, f/2.2 selfie camera.
vivo Y91i comes with the following performance and platforms:
* Android 8.1 (Oreo), Funtouch 4.5 operating system,
* Qualcomm SDM439 Snapdragon 439 (12 nm) Chipset, Octa-core (4×1.95 GHz Cortex-A53 & 4×1.45 GHz Cortex A53) Processor.
To get a full good vivo Y91i review and make a wise decision on what device you will purchase, continue reading the following lines.
The Body Specifications – vivo Y91i Review
People are often interested in the mobile phone’s body features, which prompted most smartphone producers to use a considerable part of the company’s research and budget to evolve this aspect of phones so that it suits all the aspirations of the consumer. In the following lines, you will find vivo Y91i review, which will demonstrate the most important details related to the body of this device.
* Body Dimensions: 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) which means height, width, and thickness (depth) respectively.
* Body Weight: 163.5 g (5.78 oz).
For smartphones, a weight between 140g to 170g is considered convenient for most people.
How to Choose Your Best Color? vivo Y91i Review
There is no better or worse color for the cellular phones case, but it depends on two factors: the first one is your personal taste, the second is the type of work you do.
vivo Y91i comes in the following colors: Starry Black, Ocean Blue, Red.
Knowing Display Specs Using vivo Y91i Review
The screen has always been a primary component of smartphone. Still, ever since the advent of full-screen touch cell phones, it has become imperious for manufacturers to provide the best display devices to consumers, which will boost the viewing and gaming experience.
Continue reading this article to find out what are the fundamental display features of vivo Y91i.
Display Type: IPS LCD – Remember to go for a display type that gives more radiant colors and actual black.
Display Size: 6.2 inches, 95.9 cm2 – These days, cell phones feature screens that measure between 4.7 and 6.5 inches.
Screen To Body Ratio: (~82.4% screen-to-body ratio). It provides the percentage of how much of the front side is covered by the display. Smartphones that have the largest screen-to-body ratio look delicate and that give them 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 detail and sharpness. The pixel resolution for high-definition screens is 1920 x 1080.
Display Density: (~271 ppi density). It is the number of physical pixels per inch on a screen and is measured in Pixels Per Inch (ppi).
Best vivo Y91i Review For Camera Characteristics
In the following lines, you will find vivo Y91i review about the main cameras.
* Main Camera Single: 13 MP, f/2.2, PDAF.
The following lines explain some of the symbols included in the camera specifications:
MP (Megapixels) is the resolution of the image taken by a cellular phone.
(f value) is the aperture of a lens that indicates how much light it lets in. The larger the aperture, the more light is let in; 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:
panorama, 1080p@30fps main video camera.
In the following lines, you will see vivo Y91i review of the selfie camera:
* Selfie Camera Single: Motorized pop-up 16 MP, f/2.2
The main camera specifications are:
HDR, 1080p@60fps Selfie video camera.
Important Details About The SIM – vivo Y91i Review
A SIM (Subscriber Identity Module) is an electronic card that connects your smartphone 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 information about 3G / 4G networks, refer to vivo Y91i 3G or vivo Y91i 4G articles You can use your cellular phone without a SIM card for many things, like using the calculator, saving notes, playing games, capturing photos, and many other uses. SIM cards come in three sizes: Standard (Mini), Micro, and Nano.
This cellphone model comes with Dual SIM (Nano-SIM, dual stand-by) card. For more info, refer to How to insert SIM card in vivo Y91i 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 cell phones are using it.
* Micro-SIM. They have a little bit larger chip, and they’re seldom been used in 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 device.
Chipset, CPU, and GPU – vivo Y91i Review
This model has a Qualcomm SDM439 Snapdragon 439 (12 nm) chipset.
Advanced embedded chipsets in cell phones allow 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 Y91i 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 processing speed the better the performance will be.
vivo Y91i has the following GBU (Graphics Processing Unit): Adreno 505.
This chip is responsible for handling all graphics jobs. Actually, Users are now more familiar with the various GPU chip models included in mobile chipsets and sometimes take their performance into account when making purchases.
Storage characteristics – vivo Y91i Review
One of the main deciding factors when you want to buy a new smartphone is the amount of storage it offers. Actually, vivo Y91i comes with a microSDXC memory card slot, and the following internal memory: 16GB 2GB RAM
Two types of phone’s memory are available:
Internal: It is built into the phone, and can’t be increased. Nowadays, the majority of smartphones 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 extra storage to save photos, music, videos, etc., regardless of the type of SD card slot.
vivo Y91i Review – Mobile Networks and communication
A wireless network is a technology that provides wireless connections for mobile devices. This is done through communication towers covering specific different areas. There are three types of these networks: 3G, 4G (LTE), and 5G. These types are working on the most modern mobile phones.
vivo Y91i supports the following networks: 3G. For more information, refer to vivo Y91i 3G article. – 4G. For more info, refer to vivo Y91i 4G article.
vivo Y91i Review of The Available Wireless Connections
This model includes 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 to share data between different devices.
* GBS connection: Yes, with A-GPS, GLONASS, BDS. Positioning System allows smartphones to define any position you need.
* USB connection: micro-USB 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 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 Y91i Review – The Operating System
This model comes with Android 8.1 (Oreo), Funtouch 4.5 operating system.
Main Specifications of The Battery – vivo Y91i
Nothing is more crucial than the cellphone’s battery, which powers these gadgets and grants daily life going. In the following lines, you’ll see vivo Y91i review of its main battery.
* Battery Technology: Li-Po.
* vivo Y91i comes with a non-a removable battery.
* Battery Capacity: 4030 mAh. It refers to the storage capacity a specific battery may offer. A battery with a 3100 mAh capacity rating could supply a current of 3100 mA for one hour. Higher mAh ratings for the same battery kind will generally mean longer working time.