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Specifications
 

vivo X21 UD

vivo X21 UD
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vivo X21 UD

Network
Technology GSM / CDMA / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1900 / 2100
4G Network 1, 2, 3, 5, 8, 34, 38, 39, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE-A (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
Modules 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
Modules 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
 32-bit/192kHz 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
Infrared port 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
Stand-by
Talk time
Misc
Colors Black, Ruby Red
Models X21UD A
Price About 550 EUR

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