How to install developer (internal) betas of next One UI versions?

[惜今bu惜昨]

I want to use newest One UI 6.1 versions and 7.0 beta. Can I install it?

[Tourbillon De La Vie]

At your own risk. Test firmware 

[惜今bu惜昨]

I could not find any information about how to install or even can install. I was using iPhone and I could install beta firmware easily by opt-in.

[Tourbillon De La Vie]

opt in beta not ready/available yet

[Glenntech]

If you have an eligible device. You will see beta software invitation on the Members App
Currently there is no beta software program available
You will have to wait until later on this year

[malk20426]

There is no beta available yet.