With the push for full-screen design on modern smartphones, many solutions have appeared to get rid of or hide the front-facing cameras. The mechanical pop-up cameras, punch-holes and all sorts of cutouts and notches are the stepping stones and many believe having the screen under the display would be the final and most elegant solution. Unfortunately, though, according to Xiaomi's VP, that's not happening anytime soon as there are still major technological challenges to be overcome. Lu Weibing says the whole smartphone industry is working hard on the solution but despite Xiaomi...
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