SAN FRANCISCO (Reuters) – Apple Inc and Qualcomm Inc on Tuesday settled an acrimonious two-year legal dispute. Shortly afterward, Intel Corp said it will exit the smartphone modem chip business.

FILE PHOTO: Silhouette of mobile user is seen next to a screen projection of Apple logo in this picture illustration taken March 28, 2018. REUTERS/Dado Ruvic/Illustration/File Photo

The entire drama played out as the mobile phone industry prepares to shift to a technology called 5G.

Echoing complaints from the U.S. Federal Trade Commission, Apple had alleged that Qualcomm used its patent licensing business to keep a monopoly on modem chips that connect devices like the iPhone to wireless data networks. Qualcomm insisted that Apple was using its valuable technology without proper payment, and Apple later dropped