(Telecompaper) AT&T is putting the pieces in motion to bring 5G service to tens of millions of consumers and businesses in 2019, ahead of plans to offer nationwide 5G in the first half of 2020. Following its recent launch of AT&T Unlimited Extra and AT&T Unlimited Elite, it's adding access to 5G service in these plans and will begin pre-orders for its first low-band 5G smartphone, the Samsung Galaxy Note10+ 5G, on 25 November.