Question: what happens when 5g comes out?
Answer: In short, 5G will not replace LTE in the way that 4G did with 3G when it launched. Taking that into consideration, those with 4G phones may see a boost in speed as 5G networks roll out. ... As people transition to 5G, "lanes" for 4G will be kept open for smart home devices and users who aren't on 5G yet.