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オリジナル投稿者: German Barrabia ,

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I've been dealing with this issue with 2 of them. not mine...  the babysitter had 2 of their 2 children, and what I did was hold on the down-volume keys along with the power button, when powering on, until you get the Android Recover Console, and chose to wipe cache&media / factory reset, several times... let the "go" screen a long time, maybe reboot it a few times, until you get the screen "Android is upgrading..." it will also display "Optimizing application "n of n"" and will probably get stuck on some item of it... when that happens, when it get's stuck on a particular application let it there for a few minutes... and reboot the tablet again, as many times needed.  One of them got through this operation... and the other one, I'm still fighting with it... same method... Sometime it goes as far as "Optimizing 26 of 38" it get's stuck there but then will not go further, and then when rebooted it will still get the "go" screen ....

Hope this helps anybody out there...

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