Aug 25, 2014, 11:14:43 AM via Website
Aug 25, 2014 11:14:43 AM via Website
I had gone through the steps as was mentioned by one of the user, and I had successfully unlocked my device. But the thing is that, now I am unable to log in into my google account. The play store is also not taking user name & password. Even for creating a new gmail account, it is saying that username exists.
What to do now? Is there any expert, who can solve this problem.
Aug 25, 2014, 12:28:33 PM via Website
Aug 25, 2014 12:28:33 PM via Website
Well, I don't think unlocking the device is going to raise an error like !
Anyway why don't you head over to the application manager by heading over to the settings> application manager> and try clearing the cache and the data stored by the Google Play Services and Play Store. Once done try restarting your device and put the gmail account ID and password back. 
See if that works out
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Aug 25, 2014, 9:00:29 PM via Website
Aug 25, 2014 9:00:29 PM via Website
I did that, what you said. It is still displaying "Couldn't sign in", "Can't establish a reliable connection to the server". "This could be a temporary problem or your Android device may not be provisioned for data services. If it continues, call Customer Care".
Plz solve the problem.