- Samsung says folding phone shipments reached nearly 10 million last yearThe Verge
- Samsung teases Galaxy Z Fold 4 and Flip 4 while touting nearly 10 million foldables sold last year9to5Google
- Samsung says people prefer flip-phone-style foldable smartphonesTechCrunch
- Samsung foldable sales 2021 numbers releasedAndroid Authority
- Samsung details the future of its foldables ahead of Galaxy Z Fold 4 launchXDA Developers