Bloomberg:

Sources: Apple plans to wait until at least 2020 before releasing an iPhone that works with 5G  —  – Next IPhone won’t connect to new faster networks, people say  —  Apple Inc. plans to hold off until at least 2020 before offering an iPhone that can connect to the next generation …

Sources: Apple plans to wait until at least 2020 before releasing an iPhone that works with 5G (Bloomberg)
Source: Tech Meme