XON 20 5G Review: THE SMARTPHONE WITH SUB DISPLAY CAMERA

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ZTE Axon 20 5G, the first smartphone appeared in September with a front camera installed under the display. Although it's only available in China so far, we've already tried it out. So, in this article, we'll go into more detail about the technology and photo quality.

So far, smartphone manufacturers have been relying on different designs to integrate the front camera into almost borderless displays. In addition to the notch known as a “notch” on iPhones, the front camera is increasingly integrated into a small screen hole. In the case of a few models, manufacturers have even decided to outsource them to a module that can be mechanically retracted and extended out of the frame.

ZTE has now introduced a completely new solution in which the front camera is virtually "invisible" under the display surface. Also Oppo and Xiaomi already demonstrated prototypes with so-called sub-screen cameras, but the axon 20 5G ZTE is the first available device in order. In China, the cheapest version of the Axon 20 5G costs the equivalent of less than 300 euros.

With the ZTE Axon 20 5G, the first smartphone appeared in September with a front camera installed under the display.


Camera under the display: this is how the technology works

The equipment of the smartphone can be classified in the current middle class. The focus is clearly on the front of the Axon 20 5G. The Chinese smartphone manufacturer has installed a 6.92-inch AMOLED display that has a full HD + resolution and is presumably from Visionox. A few weeks before the smartphone was unveiled, Visionox was the first manufacturer to announce that it would produce AMOLED displays with cameras integrated underneath. Incidentally, a fingerprint sensor , speaker and light sensor are also placed under the screen surface.

The anode and cathode of the special AMOLED display are partly transparent and the pixel matrix or arrangement is different in the area of ​​the front camera. This is usually hardly noticeable when using the Axon 20 5G, but if it is displayed in white or light gray, the small rectangle behind which the camera is located stands out visibly. So it is not completely invisible, but it is still less noticeable than in other implementations - with the exception of pop-up cameras.

In terms of quality, not quite on par with normal front cameras

Photos from the front camera have a resolution of almost 32 megapixels, which is why we took comparison photos with an Oppo Reno 4 Pro . Its front camera also offers a 32-megapixel resolution. The photos of the ZTE smartphone are visibly worse in comparison, but they are still usable. Despite the high resolution, there are compromises in terms of the level of detail. Often there is also a slight veil that surrounds the depicted objects. Hdlango This is presumably an artifact of the image algorithms that try to calculate the "grid" of the display matrix.

In terms of quality, not quite on par with normal front cameras

Conclusion: quality can still be improved

For first-generation technology, the ZTE Axon 20 5G's front camera makes a pretty good impression, but the quality is still not quite on the level of conventional methods. But that's not a big surprise, since the technology behind it is still in its infancy, so to speak. So it remains to be seen when the image results can keep up with today's top front cameras. Currently, it is more or less comparable to that of entry-level smartphones.

When Samsung will come onto the market with a corresponding panel is still unknown. However, it is to be expected that the Korean manufacturer and market leader in the area of ​​AMOLED displays for smartphones will follow suit very soon. A sub-display camera could possibly be used in the next Samsung Galaxy S series.

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