really not clear from your post on what you are talking about.
at a guess is it that your OS3 will no longer connect to any of the USA Brandmeister servers?
if so, look at these pages:
https://news.brandmeister.network/hotspot-security-password-now-required-for-connections-to-us-masters/
https://news.brandmeister.network/configure-a-security-password-for-your-hotspots/