Mobile Reviews

Vivo X21 UD: 6.28-inch mid-ranger with dual 12MP-5MP camera and under the screen fingerprint scanner

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Vivo X21 UD continues the tradition of having a fingerprint scanner under screen or under-display, hence the UD name.

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This new UD tech started back just a few months ago with the release of X20 Plus UD, being the world’s first under the screen fingerprint scanner. Let’s do a quick throwback to it as follows:

  • 6.43-inch Full HD Super AMOLED capacitive touchscreen with 1080 x 2160 pixels, 18:9 ratio or ~376 ppi density
  • FullView display
  • Fingerprint under-display sensor
  • Qualcomm MSM8956 Plus Snapdragon 660 chipset, Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) processor and 4GB RAM
  • Dual 12MP+5MP primary camera with f/1.8aperture, autofocus and LED flash
  • 12MP secondary camera with f/2.0 aperture
  • 128GB internal storage + microSD expansion slot up to 256GB maximum
  • Non-removable Li-Ion 3900 mAh battery
  • Android Nougat 7.1.1
  • Dual-sim and 4G LTE
  • February 1st 2018 release date
  • $3,598 Chinese Yuan or ~$569 USD price tag

The reception that X20 Plus UD got was pretty phenomenal, albeit with a hefty price. For the price that you pay, it is a very good mid-range smartphone with all the bells and whistles. Plus, being the world’s first smartphone to have the UD feature means a lot.

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With that in mind, let’s turn our attention to the X21 UD which has the following specs:

  • 6.28-inch Full HD Super AMOLED capacitive touchscreen with 1080 x 2280 pixels or ~402 ppi density
  • FullView display
  • Fingerprint under-display sensor
  • Qualcomm SDM660 Snapdragon 660 chipset, Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) processor, Adreno 512 graphics and 6GB RAM
  • Dual 12MP (f/1.8 aperture, 1/2.5", 1.4 µm, Dual Pixel PDAF) + 5MP (f/2.4 aperture), phase detection autofocus and LED flash
  • 12MP secondary camera with f/2.0 aperture
  • 128GB internal storage + microSD expansion slot up to 256GB maximum
  • Non-removable Li-Ion 3200 mAh battery
  • Android Oreo 8.1
  • Dual-sim and 4G LTE
  • Expected March 2018 release date

Expected to be released very soon, the X21 UD will be sporting a large 6.28-inch Full HD Super AMOLED screen with Fullview display. What’s the fuss about the fingerprint under-display sensor again?

For you to unlock the X21 UD, it is as simple as putting your finger on the screen. The technology was developed through a partnership between Vivo and Synaptics. The sensor is touted to detect fingerprint in few milliseconds and can work under layers up to 1.5mm thick, including a screen protector. The downside to this is that you can’t use a thick screen protector. Not to worry, as the smartphone will come bundled with a compatible screen protector.

In terms of performance, the X21 UD specs are in the realm of a mid-range smartphone. Blessed with the Snapdgaron 660 chipset, fast Kryo octa-core processor, good Adreno 512 graphics and a whopping 6GB RAM will let you run just about anything there is out there.

Everything else is similar to the X20 Plus UD which is a good sign. However, the X21 UD has the advantage of the latest Android Oreo 8.1 operating system running out of the box once it is released. This will unleash everything that the smartphone has under its belt and come blazing through.

But do take note that the X21 UD will be powered by a smaller battery – to be exact a 3200 mAh battery. This should still allow it to last for a full day of battery life in between charging though.

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Conclusion:

Vivo X21 UD continues where its predecessor left off but comes with a slightly smaller (but still big enough) 6.28-inch Full HD Super AMOLED screen, Fullview display, fingerprint sensor under-display, exciting mid-range performance with 6GB RAM, large 128GB internal storage and the latest Android Oreo 8.1.

Vivo X21 UD is expected to be released very soon within this March although there’s no confirmation on the price yet. You get to choose either Black or Ruby Red color.

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Eza EzamieEza Ezamie
Category: Team WhaTechCompany about: Tech junkie by profession and passionate about anything from the digital world, movies, games and reading. He loves writing and hopes you enjoy his writing as much as he does. Eza, is also known as Don in the virtual world, but don’t him me wrong, he's not a mafia type he's really a nice chap and a devout family guy.