S60T soundbar wont connect to Q80 TV via 5ghz wifi

[Coyner]

Has anyone had an issue where the Soundbar does not appear as an option to connect via wifi in the above situation?

[iamthecosmicdust]

Ensure both your TV and soundbar have the latest firmware updates installed, as updates can resolve compatibility issues.​

[Coyner]

Everything is up to date, it's definitely to do with the 5ghz broadband