I cant make any world on beta version

I payed minecraft bedrock beta on my phone (Xiaomi Redmi Note 5) I downloaded it and at first it fells like there's no problem until i want to make world theres a sign online play is not rated i press 'Ok' and 'Do not show this again' but the loading screen only says 'Loading Resource Pack' without saying 'Generating world' i dont really care at first then a  page pop up saying 'Unable to connect to world. Please check your connection to the internet and try again.' . I tried to make world not to join anyone's world my phone was still connected  to the internet i quit minecraft app go to youtube and it all seems fine i play minecraft again try to make another world the same thing happenned wheter i turn off and turn on my wifi i install and uninstall minecraft 5 times please mojang this is a BIG bug. I also downloaded minecraft 1.16.200.53, 1.16.200.54, and 1.16.200.55 and it all have the same bug.