Whenever I try to update an app or buy a new app on my new Samsung Galaxy S III phone, I get this error message: "Error: Authentication is required. You need to sign in to your Google Account." I am logged in to and have had no problems with Gmail & Google Drive on this phone. So I'm not sure what I'm supposed to be doing to get things to work in the Playstore. Tradelady
Let's get your PlayStore working correctly Tradelady. It's great that you're already signed into Gmail, but let's get the PlayStore to recognize that as well. Please reset the Google PlayStore application. http://vz.to/11YuFhP
Let me know if you still need assistance.
MarquiaF_VZW
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