Oppo's X 2021 rollable concept phone expands in your hand

TCL and LG have been teasing the idea of an extendable display on smartphones for some time, and now, we finally get to see a working prototype courtesy of a third brand. Today’s Inno Day 2020 event unveiled the Oppo X 2021 concept smartphone, which...

source https://www.engadget.com/oppo-x-2021-rollable-concept-phone-093038483.html