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Oppo unveils concept smartphone with a rollable OLED display – Tech Guide
Oppo has unveiled a new X 2021 concept smartphone with a rollable OLED display at its annual INNO DAY 2020 via a virtual livestream which will allow users to easily…

Oppo has unveiled a new X 2021 concept smartphone with a rollable OLED display at its annual INNO DAY 2020 via a virtual livestream which will allow users to easily adjust the size of the products screen to suit whatever they are doing.
In the closed position the X 2021 has a 6.7-inch display which can be extended to 7.4-inches just by pulling it open and giving users have more options to meet their productivity and entertainment needs.
The user can adjust the display depending on their needs whether…
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