It’s highly likely that the production of iPhone-9 might be hampered in China due to Coronavirus, as the situation seems to be aggravating.
Apple iPhone SE2: Everything We Know So Far [Updated] - Forbes Vetted
Apple Trims iPhone 14 Output by 3 Million Units as Demand Cools (APPL) - Bloomberg
iPhone - Wikipedia
Apple warns of iPhone delays after China COVID curbs - Nikkei Asia
Apple Warns iPhone Production Disrupted by China Covid-19 Restrictions - WSJ
Coronavirus might put a wrench in Apple's iPhone production plans
Our review of the Apple iPhone 15 Pro Max: A worthy upgrade -- for some - CBS News
China expands lockdowns as COVID-19 cases hit daily record
China's Zhengzhou, home to world's largest iPhone factory, ends Covid lockdown. Other cities do the same