The best solution would be to reformat the tablet to factory specifications. That should fix all the issues your having. If you want you can backup all your stuff using google and then type in your google account info after its been restored to get all your information back
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The best solution would be to reformat the tablet to factory specifications. That should fix all the issues your having. If you want you can backup all your stuff using google and then type in your google account info after its been restored to get all your information back