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vivo X21 has Android 8.1 (Oreo), It offers an internal memory of 64/128 GB with 6 GB RAM, It presents a screen of Full HD+ resolution, And it comes with a battery capacity of 3200 mAh .

 

vivo X21 specifications

 

General

Announce date	2018, March
Release date	2018, March
Status	Available
Height x Width	154.5 mm x 74.8 mm (6.08 inches x 2.94 inches)
Thickness	7.4 mm (0.29 inches)
Weight	156.2 g (5.50 ounces)
Phone build	* Aluminum frame * Glass front (Gorilla Glass 3) * Aluminum back
SIM card	Hybrid Dual SIM (Nano-SIM, dual stand-by)
Colors	* Black * Aurora White * Ruby Red

Display

Display type	Super AMOLED capacitive touchscreen, 16M colors
Screen size	6.28 inches (98.4 cm)2 (144.16 mm x 68.28 mm)
Screen-to-Body	85.2%
Screen resolution	1080 x 2280 pixels [ Full HD+ resolution ]
Pixel density	~402 ppi (pixels per inch)
Touchscreen type	Multi-touch screen
Screen protection	Corning Gorilla Glass 3

Main Camera

Rear camera	Dual camera : 12 MP (f/1.8, 1.4-micron) + 5 MP, f/2.4 (depth)
Camera features	* LED flash * Geo-tagging * Touch focus * Face detection * HDR * Panorama * Digital zoom * Phase detection autofocus with dual pixel
Rear video	1080p@30fps [ Full HD video ]

Selfie Camera

Front camera	12 MP (f/2.0, 1.28-micron)
Front video	1080p@30fps

Memory

Card slot	MicroSDXC up to 256 GB (uses shared SIM slot)
Internal memory	64/128 GB
RAM	6 GB RAM

Battery

Battery type	Lithium-ion (Li-Ion)
Battery model	Non-removable
Battery capacity	3200 mAh
Fast charging	yes 18W

Platform

Operating System	Android 8.1 (Oreo)
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nanometers)
Processor	(4×2.2 GHz & 4×1.8 GHz)
Graphics	Adreno 512
User interface (UI)	Funtouch 4

Sensors

Fingerprint	yes (rear-mounted)
Accelerometer	yes
Proximity	yes
Compass	yes
Gyroscope	yes
Ambient light	yes

Networks & Connectivity

2G	GSM – SIM 1 & SIM CDMA 800 & TD-SCDMA
3G	HSDPA
4G	* LTE * LTE – India (Band 40)
3G Speed	HSPA 42.2/5.76 Mbps
4G Speed	LTE-A (2CA) Cat6 300/50 Mbps
GPRS	yes
EDGE	yes
Wireless LAN	* Wi-Fi 802.11 a/b/g/n/ac * Wi-Fi hotspot * Wi-Fi Direct * Dual-band
Bluetooth	v5.0
Bluetooth Features	* LE * A2DP
USB	MicroUSB 2.0 USB On-The-Go
GPS	* GPS * A-GPS * GLONASS
Radio	FM radio

Sound

Types of alerts	* MP3 * Vibration * WAV ringtones
Loudspeaker	yes
Headphone jack	yes, 3.5mm jack

Features

Messages	* SMS (threaded view) * Push Email * Email * MMS * IM
Music player	MP3/WAV/WMA/eAAC+/FLAC player
Video player	MP4/DivX/Xvid/WMV/H.264 player
Browser	HTML5

Other features

– Document viewer – Photo/video editor – 32-bit/192kHz audio

vivo X21 disadvantages

Water proof	No
Removable battery	No

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