Apple’s sales in China have also suffered from competition from local handset makers such as Huawei and Xiaomi. However, revenue from China increased 4 per cent in the quarter from a year ago, hitting $15.4bn and bucking a trend of quarterly declines.

The company’s revenue was about 10% higher than the same period a year ago, showing an unexpected ability to weather tariff blows.

Apple has been shifting production of products bound for the U.S., sourcing iPhones from India and other products such as Macs and Apple Watches from Vietnam. Still, the company h