hi....I am using Google nexus s wid jelly beam I am facing this problem from past one month whenever I tried using play store....it shows Google authentication required ....log into your account....I downloaded Google authenticator on my phone and authenticate my account using 2 step verification but still I am facing same problem ....I have also clear data on my play store app in settings but still same problem .....I also log in using other account but can't fix this issue....please tell me how to fix it
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