SAN FRANCISCO (AP) — Unhappy that Apple intends to source nearly all of its U.S. iPhones from India, President Donald Trump on Friday threatened a 25% tariff on the popular device unless the tech giant moves production to the United States. But Apple has seen little incentive in the past to manufacture domestically.

US President Donald Trump boasted “jobs and factories will come roaring back” when he unleashed unprecedented tariffs around the world during his “Liberation Day” address last month.

President Trump threatened tariffs on Apple iPhones in an effort to boost domestic production. Analysts said manufacturing the phones in the U.S. would increase costs significantly.

President Trump threatens to impose a 25% or higher tariff on iPhone units not built in the U.S.

India has also become the world’s second-largest smartphone market after China, measured by volume. The production increase by Apple’s suppliers Foxconn and Tata Electronics in southern India has been the biggest success of Modi’s “Make in India” drive to create more manufacturing jobs in the world’s most populous country.

Apple's iPhone 17 series may debut in September with a rebranded lineup, featuring a new Ultra model, design upgrades, and major camera improvements.

As Apple (AAPL) struggles to resolve supply chain issues amid ongoing tariff uncertainties, its supplier, Hon Hai Precision Manufacturing, aka Foxconn, has increased investment in its Indian subsidiary.

Apple is considering a significant shift in its manufacturing strategy, potentially moving up to 60-65% of iPhone production to India, depending on tariff negotiations. Despite US President Donald Trump's disapproval of expanding manufacturing in India,