Recently, the expandable display smartphones are becoming a growing trend and it is known to be the future of smartphones. Since few years back, we seen few variants of expandable display smartphones like a foldable, flipping, and a clamshell-like display smartphones. Today, we witness the new rollable display device which is the OPPO X 2021 concept phone.
The OPPO X 2021 uses two roll motors on the top and the bottom along with the 0.1mm thickness warp track to securely expand and retracts the expandable display when it is activated through the side-mounted fingerprint scanner. It comes with a 6.7-inch AMOLED display that can be rolled out to a 7.4-inch AMOLED display without any visible crease. So let's check out the video below to take a closer look on it.
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