SamMobile is trying to spread false information regarding the availability of the A55 beta update in UK and USA.
A55 was never released in the USA, and the UK was excluded from this program.
Sorry, UK and USA users, but you won't get One UI 7.0 Beta for your A55.
https://www.sammobile.com/news/galaxy-a55-one-ui-7-0-beta-update-released-korea/