vivo X21 UD

Specifications
vivo X21 UD
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  • 6.28" 1080x2280 pixels
  • 12MP 1080p
  • 6GB RAM Snapdragon 660
  • 3200mAh 18W
Released 2018, March 156.2g, 7.4mm thickness Android 8.1, Funtouch 4 128GB storage, microSDXC
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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 1, 2, 3, 5, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Launch
Announced 2018, March
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 Glass front (Gorilla Glass 3), aluminum back, aluminum frame
SIM Hybrid Dual SIM (Nano-SIM, dual stand-by)
Display
Type Super AMOLED
Size 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio)
Resolution 1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
Protection Corning Gorilla Glass 3
Platform
OS Android 8.1 (Oreo), Funtouch 4
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 512
Memory
Card slot microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM
 eMMC 5.1
Main Camera
Dual 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
5 MP, f/2.4, (depth)
Features LED flash, HDR, panorama
Video 1080p@30fps
Selfie Camera
Single 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video 1080p@30fps
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Sound
Loudspeaker Yes
3.5mm jack Yes
 32-bit/192kHz Hi-Res audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE
Positioning GPS, GLONASS
NFC No
Radio FM radio
USB microUSB 2.0, OTG
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, compass
Battery
Type Li-Ion 3200 mAh, non-removable
Charging 18W wired
Misc
Colors Black, Ruby Red
Models X21UD A
Price About 550 EUR

User opinions and reviews

  • burnt chicken nugget
  • 13 Sep 2021
  • thf

i like it it is the best phone i ever had better than my redmi 7a

  • Axa
  • 18 Nov 2020
  • tDR

I was bought this phone at 110$... Great phone

  • Chocola25
  • 05 Oct 2019
  • wrY

Is this phone upgradeable to android 10 in the future officially? How to fix its shaky videos (because the absent of EIS/OIS)?

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