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Android 8 Roundcube App Won't Work

  • Thread starter Android Central Question
  • Start date

Android Central Question

I have the Roundcube app on my Samsung 8, and have no problem signing in on my tablet, but for some reason it won't sign in on my phone and keeps saying "invalid username" and "server error". Is it a setting that I can change? If so how? I need to be able to access it on my job sites! Thank you.