Global Rom Full screen Vivo X21 UD X21UD Screen fingerprint Snapdragon 660AIE 6G RAM 128G ROM 6.28″AMOLED Face Wake Dual SIM


Screen fingerprint


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Screen Fingerprint/model:vivo x21 UD: Screen Integrated Fingerprint Recognition, 6GB RAM + 128GB ROM




Black Gold



Original multilingual firmware.

Support OTA system update.

Support Google services.

Support Play Store.

The future will support more languages.

Vivo X21 UD Screen Fingerprint

Vivo X21


Basic parameters

Listing date

March 28, 2018

cellphone type

4G mobile phones, 3G mobile phones, smart phones, tablet phones, camera phones, fast charge mobile phones, game phones, music phones

operating system

Funtouch OS 4.0 (based on Android 8.1)


Touch screen type

Capacitive screen, multi-touch

Main Screen Size

6.28 inches

Main screen material


Main screen resolution

2280×1080 pixels

Screen pixel density


Screen technology

On-Cell Full Fit Technology

Narrow border


Screen ratio


Other screen parameters

Full screen, ultra-narrow frame
Main screen color 16 million true color, screen contrast 100000:1, color saturation 100% DCI-P3


CPU model

Qualcomm snapdragon 660AIE

CPU frequency

2.2GHz (large quad core), 1.8GHz (small quad core)

Number of cores

Eight core

GPU model

Qualcomm Adreno512

RAM capacity


ROM capacity


storage card

MicroSD card

Extended capacity


type of battery

Non-removable battery

battery capacity


Charging time

9V2A fast charging

Network and connection

4G network


3G network


Support frequency band

2G: CDMA 800
2G: GSM 850/900/1800/1900
3G: WCDMA 850/900/1900/2100
3G: TD-SCDMA 1880/2010
4G: TD-LTE B34/38/39/40/41
4G: FDD-LTE B1/2/3/4/5/8
4G+ TD-LTE: B38/39/40/41/B39+B41
4G+ FDD-LTE: B1/3/B1+B3

SIM card type

Dual SIM, Nano SIM Card

WLAN function

Dual-band WIFI, IEEE 802.11 a/b/g/n/ac


GPS navigation

Connection and sharing

Wireless AP, WLAN hotspot, Bluetooth 5.0 (APTX, APTX-HD), OTG

Body interface

3.5mm headphone jack, Micro USB v2.0 data interface


Camera type

Three cameras (back double)

rear camera

(24 million photosensitive units) 2 x 12 million pixels + 5 million pixels

Front camera

(24 million photosensitive units) 2 x 12 million pixels

sensor type



LED fill light


Main f/1.8+f/2.4, subf/2.0

Wide angle

77.9° ahead, 77.8° behind

Camera Features

Front five-lens lens, rear six-lens lens

Video shooting

stand by

camera function

Front: dynamic photos, beauty, backlighting, portrait background blur (single shot), front panorama, AR cute shot
Rear: Slow motion, backlight, dynamic photo, portrait background (dual camera), panorama, professional photo, time-lapse photography, beauty, AR
Full-pixel dual-core high-speed focus, P3 color gamut camera, rear camera support auto focus, sub camera does not support auto focus, AI beauty, video beauty, palm photo, AR cute shot, self-timer effect, text search, see Figure literacy, memory movies, front screen fill light, continuous shooting

Other camera parameters

Image size: 5632*4224, 4032*3024, 4016*1904, 3024*3024



Straight board

body color

Ice drill black, ruby red, aurora white

Phone size


Mobile phone weight


Body material

Metal frame + glass body

Operation type

Virtual Key

Fingerprint identification design

Screen fingerprinting

Other appearance parameters

3D full curved glass back cover

More features and services

Sensor type

Gravity sensor, light sensor, distance sensor, screen fingerprinting, electronic compass, gyroscope, geomagnetic sensor, dark environment facial recognition

Audio support

Supports formats such as AAC/AMR/MIDI/OGG/FLAC/WMA/WAV/APE/MP3

Video support

Supports formats such as MP4/3GPP/AVI/FLV/MKV

Picture support

Support JPEG and other formats

multimedia technology

Deep Field deep space sound, built-in AK4376AHiFi chip

Common Functions

Recording, eBook, World Time, Firewall

Business function

Flight mode, vivo document reader (support pdf, word, ppt, excel, txt document reading), email, data backup

Service Features

Theme Stores, Software Stores, Game Centers, Memo Pads, i Stewards, Mutual Transfer, Cloud Services

Other function parameters

Jovi Artificial Intelligence: Wisdom Desktop, One-Touch Switch, Smart Photo Cleanup, Artificial Intelligence Game Engine, AI Smart Photo, Artificial Intelligence

Mobile Phone Accessories

packing list

Host x1
Headphone x1
Data line x1
Charger x1
SIM cartoon pin x1
Protective cover x1
Warranty card x1
Quick Start Guide x1

Warranty information

Warranty Policy

Warranty time

1 year

Warranty note

Host 1 year, battery 6 months, charger 1 year

about VIVO

September 18, 1995, Guangdong BBK Electronics Co., Ltd., Dongguan City, Cheng-Li. Complete this industrial infrastructure, industrial supporting system is perfect, fertile land, under the strong support and assistance of the local government, after more than 10 years of sustained development, backgammon company stand out from the same industry, has now become the contemporary Chinese home electronics companies the development of a model.

BBK brand now has two series of products: communication products (music phones, corded phones, cordless phones, digital cordless phones, etc.), education, electronic products (video learning machine, point of time machine, learning computers, electronic dictionaries, video machines, etc. ).

High quality staff

BBK company has all kinds of professional technical and management staff of the college educated thousands of people. Professional company in the production of various products, respectively, to set up a research and development institutions have a wealth of hardware and software resources. The first-class R & D personnel to ensure the technology innovation, the endless stream of new products lead the market trend. Most of senior management personnel have served in senior management at the local famous enterprises work experience and experience. In 1999, the general manager of Mr. Duan Yongping its “clarity of vision and ability to innovate,” “ASIA WEEK” (“Asia Week”) selected as one of the millennium industry leaders of 20 Asian commercial and financial sector.

High effective management system

BBK company has advanced management system, the products have passed the ISO9001 international quality system certification of international trade passes, “said. BBK production management system with international pop MRPII (manufacturing resource planning system), 5S management system and TQM total quality management system to ensure each product at a reasonable cost, quality and reliable performance.

Effective brand strategy

Backgammon company in 1997 by the international advertising company planning to import the CIS (Corporate Identity System), CCTV in China’s most powerful media through long-term sustainability of integrated marketing communication (long running TV ads and print ads for a long time in the country of the regional market) , and has hired a renowned international film star Jet Li, Arnold Schwarzenegger, Song Hye Kyo as a Brand Ambassador, as well as the strong support and sponsorship of public welfare and sports, a sense of responsibility and credibility of corporate public image recognition and praise, the brand enjoys popular support, increasing brand awareness and reputation.

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