vivo X21 UD

Announced: 2018, March

vivo X21 UD Full Specifications

  • Model: vivo X21 UD
  • Brand: vivo
  • Announced Date: 2018, March
  • Released Date/ Status: Available. Released 2018, March
  • Colors: Black, Ruby Red
  • Internal Storage/RAM: 128GB 6GB RAM
  • Weight: 156.2 g (5.50 oz)

  • Resolution: 1080 x 2280 pixels, 19:9 ratio (~402 ppi density)
  • Display Type: Super AMOLEDLi-Ion 3200 mAh, non-removable;
  • Screen Aspect:
  • Screen Build: Corning Gorilla Glass 3

  • Rear Camera Single:
  • Rear Camera Dual: 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF 5 MP, f/2.4, (depth)
  • Rear Camera Triple:
  • Front Camera Single: 12 MP, f/2.0, (wide), 1/2.8", 1.28µm
  • Front Camera Dual:
  • Front Camera Triple:
  • Rear Camera Video: 1080p@30fps
  • Front Camera Video: 1080p@30fps
  • Rear Camera Details: LED flash, HDR, panorama
  • Front Camera Details:

  • Network: GSM / CDMA / HSPA / LTE
  • 4G Band: 1, 2, 3, 5, 8, 34, 38, 39, 40, 41
  • Speed: HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
  • 2D Band: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 & TD-SCDMA;
  • 3G Band: HSDPA 850 / 900 / 1900 / 2100
  • 5G Band:

  • CPU Make: Qualcomm SDM660 Snapdragon 660 (14 nm)
  • CPU: Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
  • OS: Android 8.1 (Oreo), Funtouch 4
  • GPU: Adreno 512

  • Battery Type: Li-Ion 3200 mAh, non-removable
  • Battery Stand-by:
  • Music Play:
  • Fast Charging: Fast charging 18W

  • NFC: No
  • Radio: FM radio
  • WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
  • GPS: Yes, with A-GPS, GLONASS
  • Bluetooth: 5.0, A2DP, LE
  • USB: microUSB 2.0, USB On-The-Go

  • Dimension: 154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
  • SIM: Hybrid Dual SIM (Nano-SIM, dual stand-by)
  • Build: Glass front (Gorilla Glass 3), aluminum back, aluminum frame
  • Weight: 156.2 g (5.50 oz)

  • Sensors: Fingerprint (under display, optical), accelerometer, proximity, compass
  • Speakers: Yes
  • SAR USA:
  • Memory Card Slot: microSDXC (uses shared SIM slot)
  • 3.5mm Jack: Yes
  • Models: X21UD A

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vivo X21 UD Frequently Asked Questions

No, the vivo X21 UD is NOT water resistant
Devices backed by an international standard rating of IP68 can withstand certain levels of dust, dirt, and sand, and are resistant to submersion up to a maximum depth of 1.5m in freshwater for up to thirty minutes.

No, the vivo X21 UD is NOT 5G Ready
With 5G, large amounts of data can be transmitted more efficiently than 4G LTE. That simply means faster downloads and blazing fast connections for more connected devices than ever before.5G offers faster streaming and better gaming performance.

Yes, the vivo X21 UD is available, announced on 2018, March
The vivo X21 UD first launched on 2018, March and was found in new stores and online sites on 2018, March.

No, the vivo X21 UD CANNOT charge wirelessly
Wireless chargers generally use magnetic induction. It uses electromagnetic to transmit energy between a wireless charger and a device.With these types of phone, you typically charge it by placing it on the charger (usually sold separately).

Yes, the vivo X21 UD support fast charging
Fast Charging is a term frequently used to market chargers and devices capable of charging faster than the current charging standard (5 Watts). The different types of fast charging are : quick charge , adaptive fast charging and apple fast charging.

Yes, the vivo X21 UD support dual sim cards
A SIM card also known as subscriber identity module or subscriber identification module. You can search for mobile phones with dual sim cards on Technobezz.

vivo X21 UD was released on 2018, March;
The vivo X21 UD was announced on 2018, March and was made available to the public on 2018, March. Availability can vary by regions and countries.

No, the vivo X21 UD is still being sold

The battery type on the vivo X21 UD is a Li-Ion 3200 mAh, non-removable; A regular phone has a battery capacity of 2500 mAh battery, which will roughly last for a day. On the other hand a larger battery capacity (4000 mAh, for instance) may typically need fewer recharges - this tends to make your phone battery life last longer.

The resolution of the vivo X21 UD is 1080 x 2280 pixels, 19:9 ratio (~402 ppi density) , the display type entails a 6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio) ,Corning Gorilla Glass 3.

Updated: 8/17/2021

Disclaimer : Although every effort has been made to provide complete and accurate information, Technobezz makes no warranties, express or implied, or representations as to the accuracy of content on this website.Technobezz assumes no liability or responsibility for any error or omissions in the information contained in the website or the operation of the website

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Announced: 2018, March

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