Same as them. Since a week ago I can’t login in my x-box account, I asked to Microsoft what to do and they answered me that it’s your issue.
I already tried cleaning my caché and downloading again de App, but it’s still not letting me to log in.
2020-06-16, 01:37:18 PM UTC
Alejandro González Alejandro González 
MCPE-83800
Same as them. Since a week ago I can’t login in my x-box account, I asked to Microsoft what to do and they answered me that it’s your issue.
I already tried cleaning my caché and downloading again de App, but it’s still not letting me to log in.