Oppo X 2021 rollable concept phone could change how we use phones in the future | Digit

From foldable phones to flip phones, smartphone makers are vying to innovate and test different form-factors in an attempt to make futuristic technology a reality. To that end, Oppo has created the world’s first rollable phone that looks really cool and is truly one of a kind. The Oppo X 2021 is a rollable concept phone that looks just like a normal candy-bar smartphone but it features a variable OLED screen that unrolls to a large 7.4-inch display. Oppo has built this as a concept phone which means that you will…