update iOS 11 can't log in Apple ID
hey there
so after I updated iOS 11
and I tried to log in my Apple ID on my phone .but it "could not Sign in " (there was a problem connecting to the server.
but ! same Apple ID I could log in my iPad 4 and iPad Pro and Mac .
I don't know why just not working on my phone .
please help .thank you .
iPhone 7 Plus, iOS 11, Log in