vivo X21 UD

Released 2018, March
156.2g, 7.4mm thickness
Android 8.1; Funtouch 4
128GB storage, microSD card slot
0.1% 598,869 hits
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6.28"
1080x2280 pixels
12MP
1080p
6GB RAM
Snapdragon 660
3200mAh
Li-Ion

Network	Technology	GSM / CDMA / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
		CDMA 800 & TD-SCDMA
	3G bands	HSDPA 850 / 900 / 1900 / 2100
	4G bands	LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
	Speed	HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
	GPRS	Yes
	EDGE	Yes

Launch	Announced	2018, March
Launch	Status	Available. Released 2018, March

Body	Dimensions	154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
	Weight	156.2 g (5.50 oz)
	Build	Front glass, aluminum body
	SIM	Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display	Type	Super AMOLED capacitive touchscreen, 16M colors
	Size	6.28 inches, 98.4 cm² (~85.2% screen-to-body ratio)
	Resolution	1080 x 2280 pixels, 19:9 ratio (~402 ppi density)

Platform	OS	Android 8.1 (Oreo); Funtouch 4
	Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)
	CPU	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
	GPU	Adreno 512

Memory	Card slot	microSD, up to 256 GB (uses SIM 2 slot)
	Internal	128 GB, 6 GB RAM

Main Camera	Dual	12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.4, depth sensor
	Features	LED flash, HDR, panorama
	Video	1080p@30fps

Selfie camera	Single	12 MP, f/2.0
	Video	1080p@30fps

Sound	Loudspeaker	Yes
	3.5mm jack	Yes
		- 32-bit/192kHz audio - Active noise cancellation with dedicated mic

Comms	WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
	Bluetooth	5.0, A2DP, LE
	GPS	Yes, with A-GPS, GLONASS
	Radio	FM radio
	USB	microUSB 2.0, USB On-The-Go

Features	Sensors	Fingerprint (under display), accelerometer, proximity, compass

Battery		Non-removable Li-Ion 3200 mAh battery
	Charging	Fast battery charging 18W

Misc	Colors	Black, Ruby Red
	Price	About 550 EUR

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vivo X21 UD - user opinions and reviews

RAJJO
sSU
30 Jan 2019

Is this phone upgradable to android 9.0? or will i get any android update of android pie or 9.0 in the future?

XLR8R
KAr
18 Sep 2018

You can use the Always On Display feature to get basic notifications when the phone is locked and screen is off.

ricalv
mQx
14 Aug 2018

The specs on the phone look very good, it has everything that I look for in a mobile, a good cpu, decent camera with f/1.8 aperture, but at $500 the unit is extremely over priced when you take into consideration that in today's mobiles even in the mo...