Xiaomi unveils beautiful quad-curved waterfall display concept smartphone with portless unibody and under-screen camera but don't expect it to be the Mi Mix 4

Xiaomi has unleashed a beautiful concept smartphone on the world in a short video clip that features a device with a quad-curved waterfall display and seemingly an under-screen camera. While the company has stressed that it is a concept machine, there have already been some comments wondering if this could be Xiaomi’s mysterious 10,000-yuan device or even a glimpse at the Mi Mix 4. However, it seems more likely that this particular phone is directly headed for the concept drawer alongside the Mi Mix Alpha.

The pros of the Xiaomi concept smartphone are obviously its breathtaking looks and its third-generation under-display camera. With a special unibody design that removes the need for ports, the device could also be potentially waterproof. Xiaomi offers up a couple of tech details about its quad-curve concept phone, claiming it implements “46 self-developed patented technologies” and boasts of “ultra-thin piezoelectric ceramics”. The 88° quad-curved glass required 800° high temperatures during hot bonding to make it produce the gorgeous waterfall effect it exhibits in the promo video (see below).

But of course there are cons for this concept, which would make a suitable successor to the Mi Mix Alpha but not so much a potential Xiaomi Mi Mix 4. The corners of this concept smartphone are surprisingly incongruous to the rest of the device, and the Chinese digital blogger Mr Lu wasn’t entirely taken aback by its introduction, pointing out the likelihood of false touches being a massive problem. The Mi Mix 4 needs to be a surefire success for Xiaomi, so it’s more likely to innovate with a folding mechanism or under-display camera technology, rather than turn up as a portless waterfall display concept phone, no matter how pleasing it is to the eye.

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