Starting with 2015 iPhone models, Apple may use its custom radio chips, Digitimes reveals, as the company is apparently forming an R&D team to work on baseband chips, which are responsible for handling wireless connectivity on a handset including cellular radios responsible for LTE. Designed by Apple, these chips would be built by Samsung Electronics and Globalfoundaries, according to “industry sources.”
Apple may design its own LTE chip for the iPhone 6 successor