Apple increased its exports of iPhones from India to the United States in April, with industry data showing a 76 percent increase compared to previous months. The jump came amid President Donald Trump's threats of a 25 percent tariff on iPhones made outside the U.

The Trump administration says it's closing in on a trade deal with India, one of the country's most important trading partners.

Apple and India have invested years and billions of dollars in teaming up against China. India sees it as a strength. To President Trump, it looks like leverage.