BT Sport Ultimate 4K now available on more products, including Amazon Fire TV
https://www.msn.com/en-gb/money/tech...?ocid=msedgntp
I've tried it on my 4K Firestick and its offering very good 1080P live streams,
but until they are showing something in UHD I cannot comment on the availability of UHD and also Dolby Atmos sound