Dear, Good morning!

I have the same problem with the video below:

ps: I'll put the search to be made on youtube because to prevent spam, new users can not post links to external sites.

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Tablet Samsung Galaxy 7.7 TAB P6800 com tela travada.
Túlio Glad
Posted on Oct 1, 2012 ***

But in my case, when I click on POWER + VOL, it does not "react" as in the video above, it appears the android robot with a kind of star spinning in the belly, it takes a while and it returns to the same locked screen of the video .

Could anyone guide me on what to do?

Thanks in advance!