https://www.techradar.com/news/moto-z3-is-the-worlds-first-5g-upgradable-smartphone-say-motorola-and-verizon

The Moto Z3 release date is August 16, and that's also when you're be able to buy the world's first 5G-upgradable smartphone, according to Verizon and Motorola.

Moto Z3 will be able to tap into Verizon's budding 5G network with a forthcoming 5G Moto Mod accessory. We're currently in Chicago awaiting to see a hardware demo.