Rumor | Rollable-display smartphones have no hope of overtaking foldables any time soon OPPO’s [X 2021](Oppo-makes-a-splash-with-the-Oppo-X-2021-rollable-OLED-smartphone-tablet-hybrid.504387.0.html) prototype unveiling may have sparked hopes that the OEM might soon provide a viable alternative to devices such as those of the Samsung [Galaxy Z Fold](Samsung-Galaxy-Z-Fold5-New-rumour-points-to-thicker-and-heavier-foldable-with-S-Pen-slot-and-improved-cameras.680195.0.html) series that, while offering the advantage of [expandable](Google-Pixel-Fold-Dummy-unit-highlights-ultra-thin-design-of-Google-s-first-foldable-smartphone.682423.0.html) screen real estate, still entailed
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