https://www.cnet.com/news/2018-iphone-speeds-could-lag-behind-android-and-lcd-iphone-cheaper-might-delay/

The iPhone X and the Xiaomi Mi 8 head to head.

The fallout of a strained relationship between these two mobile titans means that Qualcomm expects it won't supply modems for the upcoming round of iPhones. This is the part that phones use to connect to the network. Qualcomm thinks that Apple will go all in with chip competitor Intel, which already supplies modems for about half of the current iPhones.