Rumor: Foldable iPhone hits mass production issues at the pre-assembly stage

You can hit development milestones, but still run into issues with mass production. Per MacRumors, in a recent post on Weibo, noted leaker Fixed Focus Digital stated that Apple’s first foldable iPhone has run into mass production yield problems at the pre-assembly stage. The leaker said Apple has apparently sorted out its hinge reliability issue, […] Source