Apple’s iPhone Duo May Have Accidentally Boosted Samsung's Galaxy Z Fold 8 Sales Gizbot Galaxy Z Fold 8 sales increased after Apple's showed off the iPhone Duo Android Central Samsung Galaxy Z Fold8 review overdrive.in Galaxy Z Fold8 sales in Korea pick up after the announcement of the iPhone Duo - GSMArena.com news GSMArena.com 8 ways Samsung claims to have shaped foldable phones SamMobile