Really bad from LG. Atmos is from 2015.That's an old FW but I have the last version available before the 05XXXX versions arrived. Ping me a PM and I'll get you access to it.
This has been answered many times in this thread - the SoC in the B6 can't support ATMOS decoding or passthrough, so it won't ever be available on the B6.
High end tv and missing this.