The LG G7, G8, V40, V50, Pixel 3A, 3A XL, 3, 3XL, S9, S9+, Note 9, S10e, S10, S10 Plus, S10 5G, iPhone XR, XS and XS Max all support it. That's plenty of "device ecosystem " and way more than just three 5G devices yet that is being rolled out. Sent from my SM-G977P using Tapatalk