vivo X21 specifications, advantages and disadvantages

vivo X21

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



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 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
* Panorama
* Digital zoom
* Phase detection autofocus with dual pixel
Rear video [email protected]
[ Full HD video ]

Selfie Camera

Front camera 12 MP (f/2.0, 1.28-micron)
Front video [email protected]


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


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


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


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

Networks & Connectivity

2G GSM – SIM 1 & SIM
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
Radio FM radio


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


Messages * SMS (threaded view)
* Push Email
* Email
* 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
vivo X21
vivo X21

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