Vivo X21 - Full Phone Specifications Quiz

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| By Sufi300
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Sufi300
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Quizzes Created: 1 | Total Attempts: 72
| Attempts: 72
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  • 1/14 Questions

    Which glass is used to make X21 back look stylish and upscale.?

    • 2D Glass
    • 3D Curved Glass 
    • 2.5D Curve
    • 3D Glass
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About This Quiz


A sales person should be able to understand the product they are selling and the target market. Every phone made by vivo has its own target market, for example, based on price and specification. How prepared are you to market Vivo X21? Take up this quiz on specifications and find out.

Vivo X21 - Full Phone Specifications Quiz - Quiz

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  • 2. 

    Which sensor is used for facial recognition at night in face assess 20. ?

    • Infrared Sensor

    • Light Sensor

    • Approximate

    • GPU

    Correct Answer
    A. Infrared Sensor
    Explanation
    The correct answer is Infrared Sensor. Infrared sensors are commonly used for facial recognition at night because they can detect infrared radiation emitted by the human body, even in low light conditions. This allows the sensor to capture the unique thermal patterns of a person's face, which are then used for identification or authentication purposes. Light sensors and GPUs are not typically used for facial recognition at night.

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  • 3. 

    Which processor is used in X21.?

    • Snapdragon 660, 2.2Ghz

    • Snapdragon 660, 2.0Ghz

    • Snapdragon 660, 1.8Ghz

    • Snapdragon 660(AIE) 2.2Ghz

    Correct Answer
    A. Snapdragon 660(AIE) 2.2Ghz
    Explanation
    The correct answer is Snapdragon 660(AIE) 2.2Ghz. This processor is used in the X21.

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  • 4. 

    What is the PPI of X21.?

    • 412PPI

    • 418PPI

    • 401PPI

    • None of the Above

    Correct Answer
    A. None of the Above
  • 5. 

    What is the battery size of X21 ?

    • 3260mAh

    • 3265mAh

    • 3100mAh

    • 3200mAh

    Correct Answer
    A. 3200mAh
    Explanation
    The battery size of the X21 is 3200mAh.

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  • 6. 

    What is the screen size of X21

    • 6.23

    • 6.28

    • 6.22

    • 6.12

    Correct Answer
    A. 6.28
    Explanation
    The correct answer is 6.28. This suggests that the screen size of the X21 is 6.28 inches.

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  • 7. 

    What is the Aperture size of X21 primary rear camera.?

    • F/1.7

    • F/1.8

    • F/1.6

    • F/1.9

    Correct Answer
    A. F/1.8
    Explanation
    The aperture size of the X21 primary rear camera is f/1.8. Aperture size refers to the size of the opening in the camera lens that allows light to pass through. A smaller aperture number indicates a larger opening, which allows more light to enter the camera sensor. A larger aperture size like f/1.8 is beneficial in low-light conditions as it allows more light to reach the sensor, resulting in brighter and clearer images.

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  • 8. 

    Which HI-FI chipset is used in X21 ?

    • AK4376

    • AK4376A

    • AK43766

    • AK437A

    Correct Answer
    A. AK4376A
    Explanation
    The correct answer is AK4376A. This is the HI-FI chipset used in X21.

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  • 9. 

    The Photoelectric effect will work in which condition for under display scanner.?

    • Works in all conditions

    • Works only dark/lock screen conditions

    • Low condition

    Correct Answer
    A. Works only dark/lock screen conditions
    Explanation
    The photoelectric effect refers to the emission of electrons when light or other electromagnetic radiation is incident on a material. In the context of an under-display scanner, it implies that the scanner will only function under dark or lock screen conditions. This suggests that the scanner requires minimal ambient light interference to accurately detect fingerprints or perform its intended function.

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  • 10. 

    What is the Ram of x21?

    • 6GB Ram

    • 4 GB Ram

    • 3 GB Ram

    • 8 GB Ram

    Correct Answer
    A. 6GB Ram
    Explanation
    The given correct answer is 6GB Ram. This implies that the Ram of x21 is 6GB.

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  • 11. 

    What is Rom of x21 

    • 128 GB Expand 256

    • 64 GB

    • 32 GB Expand 256

    • 64 GB Expand 256

    Correct Answer
    A. 128 GB Expand 256
    Explanation
    The ROM of x21 is 128 GB expandable up to 256 GB. This means that the device comes with a built-in storage capacity of 128 GB, but it can be expanded further using a memory card up to a maximum of 256 GB.

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  • 12. 

    What is the Funtouch version of x21 ?  

    • OS 4.0

    • OS 3.0

    • OS 5.0

    • OS 3.5

    Correct Answer
    A. OS 4.0
    Explanation
    The Funtouch version of x21 is OS 4.0.

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  • 13. 

    Live photo is available in X21 

    • YES

    • NO

    Correct Answer
    A. YES
    Explanation
    Live photo is available in X21 because it is a feature that allows users to capture a few seconds of video before and after taking a photo. This feature adds movement and life to the captured image, making it more dynamic and engaging. With Live photo, users can relive the moment by simply pressing and holding the photo, which plays the video clip. This feature enhances the overall photography experience and is a popular feature in many smartphones, including the X21.

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  • 14. 

    What is the Anderoid Version of x21?  

    • Oreo 8.1

    • Oreo 8.0

    • 7.1

    • 6.0

    Correct Answer
    A. Oreo 8.1
    Explanation
    The correct answer is Oreo 8.1. This version of Android is commonly known as Oreo and it is the 8th major release of the Android operating system. The version number 8.1 indicates that it is a minor update to the Oreo 8.0 version, which means it includes bug fixes, performance improvements, and possibly some new features.

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Quiz Review Timeline (Updated): Aug 31, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Aug 31, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 22, 2018
    Quiz Created by
    Sufi300

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