When I try and download any app, on my s5, this error pops up "Authentication is required. You need to sign into your Google Account." However, I am already signed into my google account.
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When I try and download any app, on my s5, this error pops up "Authentication is required. You need to sign into your Google Account." However, I am already signed into my google account.
have you changed your password if so you need to log in again with new password
or try logging in then out again