yes, most of it is transported by air. this has been known for a long time. from a quick google search: https://www.bloomberg.com/news/articles/2013-09-11/the-

yes, most of it is transported by air. this has been known for a long time. from a quick google search: https://www.bloomberg.com/news/articles/2013-09-11/the-iphone-s-secret-flights-from-china-to-your-local-apple-store https://www.bloomberg.com/news/articles/2013-09-11/the-iphon... https://www.nytimes.com/2016/12/29/technology/iphone-china-apple-stores.html https://www.nytimes.com/2016/12/29/technology/iphone-china-a... https://www.macrumors.com/2014/09/15/iphone-deliveries-from-china/ https://www.macrumors.com/2014/09/15/iphone-deliveries-from-...