My mobile is samsung galaxy m30s. In samsung message app, send button is disabled when Internet is not connected, even there is a internet its shows like blue colour text and its not has been sent...and its not going after also...after connecting int...

Whenever i get the call, i try to attend. But caller scrren hangs for few seconds and then only it gets connected. Sometimes it wont even connects properly. It ends up with missing the call....due to caller screen stays like attending.....