Overview
- Fixed Focus Digital posted on May 26 that Apple is facing surface-mount technology (SMT) problems during pre-assembly that are keeping production yields low and slowing the mass-production ramp.
- Earlier this month a separate Weibo leaker, Instant Digital, reported hinge reliability issues under prolonged use but follow-up posts suggested the hinge may not by itself force a delay.
- Trade reporting and industry sources have placed mass production as a July target and a possible September or fall 2026 debut, but those timelines now depend on resolving the SMT and PCB assembly bottlenecks.
- SMT is the process that mounts tiny electronic parts onto printed circuit boards, and failures at that step can cut usable device yields and constrain assembly-line capacity until the defect cause is fixed.
- Because the foldable iPhone is positioned as a premium, high-cost product, continued yield problems could raise production costs, push back availability for buyers, and amplify reputational risk for Apple.