Apple’s 5G-enabled iPhone might not arrive until 2021. Intel is struggling to meet deadlines for development of its 5G modem. Apple could talk to Samsung or MediaTek to supply 5G modems. Apple to use Intel's 5G modem in its 2020 iPhones. Apple might focus on building its own 5G modems. The company is able to produce its 5G chips by September 2020. Apple might have to press snooze on its 5G iPhone dreams.