1. AC Question's Avatar
    I was told I cant use my Google account on my device because my android version wont update.. I get a error message trying to sign in Google only from my phone..

    "Can't establish a reliable data connection to the server.
    This could be a temporary problem or your SIM card may not be provisioned
    for data services. If it continues, call Customer Care."

    I have troubleshoot with Samsung and at&t and Google. Everything is not working its been two weeks now. Factory reset, date & time check, clear cache, etc...
    02-21-2015 06:01 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which phone? Assuming you haven't been notified recently of any official system updates, your phone is probably up to date, so upgrading the system to a more recent Android version would require rooting and flashing a custom ROM. This wouldn't necessarily solve your problem.

    Does your sign-in problem occur regardless of being on mobile data vs wi-fi? Have you tried different wi-fi networks?
    02-21-2015 06:35 PM

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