Vivo X21 

price₹ 36,990 onwards

launchMay, 2018


excellence score


value for money score


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Rs. 36,990

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2-Minute Review

Let's cut through the noise, and get to the crux of it. 16+ Expert Reviews analysed and summarised by the PhoneCurry Editorial Team, in a short and sweet 2-minute review.


  • Refined, understated design - the phone is sleek and features an all-black aluminum frame and a glass back with tapered edges, which make it very comfortable to hold
  • Surprisingly easy to handle, especially considering the 6.28-inch screen - the tall 19:9 aspect ratio helps a lot, and it also gives the front of the phone that modern bezel-less look everyone craves these days
  • Fans of minimalism will enjoy the Vivo X21 too - with the fingerprint sensor hidden under the screen, the back of the phone is very clean
  • The key USP of the phone, however, is the world's first under-display fingerprint sensor - the sensor works well most of the time, although it can be buggy now and then
  • In case you are not into that, you can also opt for the infrared-based facial recognition, which is fast and accurate, and pleasantly works in all kinds of lighting conditions
  • No water resistance - a feature thats now present in most phones in this price bracket


  • The Vivo X21’s display is otherwise beautiful too with the characteristic vibrant color palette and inky blacks of an OLED display - it has excellent brightness levels, and outdoor visibility too
  • The Vivo X21 also features an always-on display that looks pretty similar to Samsung’s implementation, with a clock and other notifications on screen


  • One area where the X21 loses out is the refinement of the UI - the OS which is basically a copy of the iOS, can often be un-intuitive, and sometimes buggy - the devil is in the details - and details are not very well done here


  • Good speed/performance backed by the solid Snapdragon 660 processor and an ample 6GB of RAM - mostly, in actual use, you will be hard pressed to see any differences in performance even compared to the top-end Android flagships like the Pixel 2 or the Galaxy S9


  • Decent dual camera setup at the back - does well especially in good lighting conditions, and with bokeh effects - it's not quite to the level of the Pixel 2 or the Galaxy S9 - but for its price bracket, it does a decent job
  • The front 12MP camera is decent too, and can also do (software based) bokeh images


  • Good audio quality via headphones
  • The single bottom-firing speaker also gets pretty loud


  • Good battery life - will last the day with medium to heavy use
  • Fast charging support


  • Uses the old microUSB standard, instead of the modern USB-C port
  • On the whole, the Vivo X21 is a good all-round phone, and has an innovative under-glass fingerprint sensor, but it's let down to some extent by its UI - everything considered, unless you are into the cutting edge fingerprint sensor tech, you are likely to find better overall value devices in this price segment, like the OnePlus 6, or the Honor 10

Expert Reviews

We continuously monitor new reviews from 200+ top technology experts

  1. A device for tech enthusiasts in-depth Read Review »
  2. The under-display fingerprint scanner is a welcome change in the tech industry in-depth Read Review »
  3. Vivo X21 is an all-rounder with good performance, decent camera performance and a snazzy new in-display fingerprint scanning technology in-depth Read Review »
  4. If you must have bleeding-edge technology in your phone, the Vivo X21 fits the bill: It's the only widely available phone with this type of fingerprint sensor in-depth Read Review »
  5. The Vivo X21 is a fun device that gets a lot of things right in-depth Read Review »
  6. The Vivo X21 is a device straight out of the future in-depth Read Review »
  7. in-depth Read Review »
  8. in-depth Read Review »
  9. in-depth Read Review »
  10. in-depth Read Review »
  11. in-depth Read Review »
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  14. in-depth Read Review »
  15. in-depth Read Review »
  16. hands-on Read Review »

User Reviews

User reviews from India’s top ecommerce platforms

Vivo X21 Specifications

Operating System
Smartphone OSAndroid 8.1 Oreo, Upgradeable to 9.0 PieLow likelihood of getting updated to next Android version
TouchscreenYes (Capacitive)
Screen Size6.28 inches
Screen Resolution1080x2280 pixels (~ 402 pixels per inch)
Display TypeAMOLED
Tall Aspect Ratio / Minimal BezelsYes
Screen DesignWide Notch
Screen Refresh Rate60 HzStandard
Display Features
  • Super AMOLED
  • FullView Display
  • 2.5D Curved Glass
  • Eye Protection Mode
Scratch Resistant DisplayYes, Corning Gorilla Glass 3
  • Accelerometer
  • Ambient Light Sensor
  • Proximity Sensor
  • Gyroscope
Fingerprint sensorYes
Face UnlockYes, IR Based
Processor2.2 GHz, Octa Core, Qualcomm Snapdragon 660Ranked #48 in Mobile Processor Benchmarks
GPUAdreno 512
Internal Memory128 GB
Expandable Memory SlotYes, up to 256 GB
Battery Capacity3200 mAh
Fast Charging SupportYes, Fast charger included
Weight156 gmMedium
Thickness7.37 mmSlim
Width74.8 mmOk for one-handed use
Primary Camera12MP + 5MP
Camera Auto-FocusYes
Camera FlashYes
HD Video RecordingYes (Full HD)
Other Camera Features
  • 12MP: F/1.8 Aperture; 1/2.5" Sensor Size; 1.4µm Pixel Size
  • 5MP: F/2.4 Aperture
  • Dual Pixel Sensors
  • Phase Detection Autofocus (PDAF)
  • Geo-tagging
  • Touch focus
  • Face detection
  • HDR
  • Panorama
Secondary Camera12.0MP
Secondary Camera Features
  • F/2.0 Aperture
  • Screen flash
Connecting PortUSB
USB On-The-GoYes
WiFi DirectYes
2G Internet (GPRS/EDGE)Yes
App StoreGoogle Play Store
Dual SIMGSM+GSM (Hybrid SIM slot)
Noise FiltrationYes
  • In-display Fingerprint Sensor

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