Apple wanted to use Qualcomm 4G chips in its newest iPhones
https://www.cnet.com/news/apple-wanted-to-use-qualcomm-chips-in-its-newest-iphones-but-qualcomm-wouldnt-supply-jeff-williams-says-at-ftc/
"We have been unable to get them to support us on new design wins past that time [when Apple filed a lawsuit against Qualcomm]," Williams said. "This has been a challenge."
The FTC has accused Qualcomm of operating a monopoly in wireless chips, forcing customers like Apple to work with it exclusively and charging excessive licensing fees for its technology. The FTC has said that Qualcomm forced Apple to pay licensing fees for its technology in exchange for using its chips in iPhones. The trial kicked off Jan. 4 in US District Court in San Jose, California.