My lenovo a3300 tablet is not working now! it's hanging

My lenovo a3300 tablet is not working now! it's hanging i recently upgrading my lenovo a3300 tablet for a new version, but now it tells error! and something stated here as "Now send the package you want to apply to the device with " adb sideload <file name" . . .
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Guest [Entry]

Stuck in fast boot mode after lenovo upgrade

Guest [Entry]

there's a small hole beside your sd card pin that and you can reset your tab