Vivo X21 UD

Vivo X21 UD Details

Vivo X21 UD Mobile Phone runs on android OS oreo version 8.1. The phone boast a 6.28 inch Super AMOLED capacitive touchscreen display with resolution of 1080 x 2280 pixels. Display is secured with Front glass, aluminum body. On accounting cameras, it has a Dual: 12 Mega Pixel + 5 Mega Pixel main camera while 12 Mega Pixel selfie camera.

The Vivo X21 UD smartphone is fueled by a li-ion 3200 mAH battery which can’t be removed. battery and promises long hours of utilization before next charge. Discussing processors, mobile phone is packed with Qualcomm Snapdragon 660 Octa-core (4×2.2 GHz Kryo 260 & 4×1.8 GHz Kryo 260) processor to provide efficient and effective usage without any issues.

Vivo X21 UD mobile has 6 GB of RAM and 128 GB of internal memory which can be expanded upto 256 GB (uses Hybrid slot) with the help of memory cards. It has smooth and sharp design that make gadget look elegant and exquisite.Thickness of phone is just 7.4 mm. Make a note that it is a dual sim (nano + nano) mobile phone.

Vivo X21 UD connectivity highlights include WiFi, 3G, 4G, bluetooth. It has certain sensors like ambient light sensor, accelerometer, compass, Fingerprint (under display), proximity. On the last note, dimension measurement are as follows : 154.5 mm (height) x 74.8 mm (width) x 7.4 mm (Thickness) and it weighs approximately 156.2 gm.

Vivo X21 UD Specs

Dimensions

Width Width is horizontal measurement of a cell phone. Wider phones generally offer better viewing experiences. It has 74.8 mm width	74.8 mm
Height Height is vertical measurement of a device. Taller devices are perfect receipe for an entertainment seeker. It has 154.5 mm height.	154.5 mm
Thickness Thickness decides slimness of a mobile phone. Slimmer mobile phones provides a perfect finish and offer premium look. This one is 7.4 mm slim.	7.4 mm
Weight Weight is the standard unit to calculate how much heavier a mobile is. Listing shows weight in grams. It has 156.2 gm weight.	156.2 gm

Display and Screen

Screen Size Size of a screen is generally the length of it's diagonals usually presented in inches. It has a 6.2 inch large screen size. Larger screen size is good for better reading and cinematic experience on your phone. Always check for screen-to-body ratio which is used to state bezels of a screen. Bigger screen-to-body ratio confirms minimal bezels and large space for screen size/display on the front panel of handset.	6.2 inch
Screen Resolution Screen resolution is indication of number of pixels available in a display that forms two sides of rectangle. More pixels means higher screen resolution, that offers better detailing and clarity. This mobile has 1080 x 2280 Pixels screen resolution.	1080 x 2280 Pixels
Screen Type Type of screen used in making of mobile, it includes LCD, IPS LCD, Amolded and OLED. Vivo X21 UD has Super AMOLED capacitive touchscreen, 16M colors. Better screen type offers relatively merrier experience.	Super AMOLED capacitive touchscreen, 16M colors
Touchscreen It is a touchscreen smartphone. Touch screens provide easy tasking capabilities, offers direct and natural interaction with the electronic device.	Yes, Multitouch and Capacitive
Pixel Density Pixel density is presented in Pixel per inch. It's display offers 402 PPI pixel density. Pixel Density is the number of pixels on a display divided by the diagonal size of a display.	402 PPI
Other Display features	Front glass, aluminum body

Platform

Operating System Operating system is a base software to handle basic operations of a machine. It allow users to install third party apps for additional functions. Vivo X21 UD mobile phone runs android OS oreo version 8.1 OS.	android OS oreo version 8.1
OS version	8.1
Chipset Every mobile phone is equipped with a collection of electronic components into a circuit known as chipset. Smartphones features advanced chipsets that can perform different tasks. It packs a Qualcomm Snapdragon 660 chipset.	Qualcomm Snapdragon 660
Number of Cores Mobiles generally features multi-cores in a processor consisting of two or more independent processing units. This device features Octa Core in the processor.	Octa Core
Processor clock speed Every CPU (Central Processing Unit) is clocked at some maximum speed. CPU speed is presented in GHz. Vivo X21 UD has a chipset clocked at 4x2.2 ghz kryo 260 & 4x1.8 ghz kryo 260 CPU speed.	4×2.2 ghz kryo 260 & 4×1.8 ghz kryo 260
GPU GPU (Graphics Processing Unit) is a part of chipset used to accelearte the the creation of images for output in a display. Advanced GPU is important for providing seamless platform for gamers. It has Adreno 512 GPU installed into it.	Adreno 512

Camera

Secondary Camera Primary camera is also referred as Back Camera or Main Camera in a smartphone. 12 Mega Pixel primary camera is useful to capture life memories through images and videos.	12 Mega Pixel
Primary Camera Secondary camera is also known as Selfie Shooter or Front Camera in a smartphone. 12 Mega Pixel + 5 Mega Pixel secondary camera is useful for taking selfies, video calling and others.	12 Mega Pixel + 5 Mega Pixel
Dual Camera Dual Camera means featuring two lenses on a single side of device. First lens here works traditionally while second lens is used for clearing images and zooming when ever required. Vivo X21 UD has dual camera setup.	Yes
Flash Flash is like a torch that is useful for clicking pictures in bad light or low light environmental conditions. This mobile has flash.	Yes
Primary camera features	Geo-tagging, touch focus, face detection, HDR, panorama, 1/2.5", 1.4 µm, Dual Pixel PDAF) + 5 MP (f/2.4), phase detection autofocus
Secondary camera features	f/2.0, 1080p

Memory and storage

RAM It is Random Access Memory (RAM) which is responsible for storing primary data for the applications running on a phone. This one packs 6 GB RAM.	6 GB
Internal Memory Internal memory is also known as ROM (Read Only Memory) means data stored here cannot be erased instead it can be deleted and rewritten. Higher internal memory allow users to store more photos, videos and files on their mobile. It packs 128 GB internal storage.	128 GB
Card Slot Card Slot is used to expand internal memory of a mobile. It has a card slot and memory can be increased up to Yes.	Yes
Expandable Memory	256 GB

Network and Connectivity

Bluetooth	Yes
Bluetooth version Bluetooth is the wireless technology used to exchange data between mobile devices. It has Bluetooth 5.0, A2DP, LE built-in.	5.0, A2DP, LE
SIMS Multiple SIMs allow users to access several network carriers in a single device. This mobile phone offers Dual SIM.	Dual
2G	Yes
3G	Yes
4G It supports 2G, 3G and 4G networks. 4G network offers relaively better download and upload speed than 3G and 2G networks and so on.	Yes
VOLTE VoLTE (Voice over LTE) is the latest technology that allow users to make calls over LTE network.VoLTE network is available in India through Reliance Jio, Airtel and Vodafone (Testing Phase). VoLTE is supported by the device.	Yes
WiFi	Yes
Wifi Version Wi-Fi is a wireless networking protocol that allow devices to communicate without internet. It supports WiFi version Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot.	Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Infrared Infrared in a cellphone is a wireless technology that allow users to control their home use devices using remote sensors. It does not have Infrared sensor.	No
USB USB (Universal Serial Bus) used for connection for many devices. There are several types of USB Ports on a device including support of USB-OTG. Vivo X21 UD have several USB ports.	Yes
GPS GPS (Global Positioning System) is a radio navigation system that allow users to access locational features on their cellphone. It has GPS support with additional features like A-GPS.	Yes
GPS features	Yes, with A-GPS, GLONASS
NFC NFC (Near Field Communication) allows two devices within very short distance to communicate and transfer data between them. Used for contactless payment systems in mobiles. It does not have NFC support.	No

Battery and Power

Battery Capacity Higher capacity batteries offers longer hours of usage in a single charge. It has a 3200 mAh battery filled into it.	3200 mAh
Removable It has inbuilt battery therefore battery cannot be removed.	Non-Removable
Quick charge It's battery do support quick charge technology. Fast charging quickly fills up your battery juice.	Yes

Sensors

Accelerometer Accelerometer sensor is used in a mobile to detect the tilting motion and orientation of the phone. It has a inbuilt accelerometer sensor into it.	Yes
Proximity Proximity sensor is used in devices to detect the presence of nearby objects without being in physical contact with them. It has a inbuilt proximity sensor.	Yes
Ambient Light Ambient Light sensor automatically adjust brightness of your phone to save battery power. It has a Ambient Light sensor.	Yes
Fingerprint Sensor Fingerprint sensor is an electronic device which records pattern of your fingerprint through a live scan. It is a form of biometric authentication. It is used in smartphones to secure their data by applying fingerprint lock. This device has fingerprint sensor.	Yes
Gyroscope Gyro sensor or Gyroscope adds an extra dimension i.e. rotation measurement to what accelerometer does. It does not have a inbuilt gyroscope sensor.	No
Compass Compass works due to a magnetometer sensor which measures the strength and direction of magnetic fields. By this, your phone always know in which direction is North. It has capability of Compass.	Yes
Hall Sensor Hall Effect Sensor is used to lock/disable the screen in smart phones whenever a flip cover, equipped with magnets, touches the screen. It does not have a inbuilt Hall sensor.	No
Barometer Barometer is used to measure atmospheric pressure. Barometer sensor on a mobile is helpful in better positioning/navigation and pressure drops. It does not have a inbuilt Barometer sensor.	No

Miscellaneous

Headphone Jack	Yes
Loud Speaker	Yes
Browser	HTML5 Android
Messaging	SMS(threaded view), MMS, Email, Push Email
Music Player	No
Video Player	No
FM Radio	Yes
Document Reader	No