5G isn't a small upgrade. Verizon says it could be up to 50 times faster than current 4g speeds. You could download an entire full-length movie in 15 seconds.

5G is also expected to be more energy-efficient and precise.

However, it's still a few years out — Verizon won't be deploying it until 2017. Other countries hope to roll it out by 2020.

Read CNET's full breakdown.

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Travelers walk around the baggage claim in the South Terminal at Hartsfield-Jackson Atlanta International Airport on Thursday, Nov. 6, 2025. Atlanta is among the airports where the FAA will reduce flights due to the shutdown, and airports are facing a shortage of air traffic controllers. 
(Miguel Martinez/ AJC)

Credit: Miguel Martinez-Jimenez