https://www.reuters.com/article/us-apple-iphone-5g-analysis/new-apple-iphone-12-to-offer-5g-speeds-u-s-networks-cant-deliver-idUSKBN26X18E >5G will finally get its U.S. closeup with the expected debut of Apple Inc's next iPhone on Tuesday. But the blazing speeds promised will not materialize for most people.