Apple's production was threatened by a massive wave of coronavirus. Experts have warned of a prolonged disruption of iPhone production plans.
Severe quarantine measures were imposed at Foxconn's largest plant in Zhengzhou, which provoked mass protests.
Now Apple faces a new long-term risk: a possible labor shortage.
Analysts say the company's revenue for the fourth quarter of 2022 will be below the record $123.9 billion it earned a year earlier.