After forgetting the password, turn off the tablet first, press and hold down the volume up and down button and the power button after shutting down, about 10 seconds will enter the recovery mode, at this time, the power should be kept above 20%, if the power is not enough, charge it first.
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Then click Restore factory Settings, then press the power button to confirm restore, the system starts to restore factory Settings.
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Do not do any operation during the recovery period, so as not to damage the system, wait until the recovery will restart to enter, after entering the password is not required, at this time your tablet will be gone, reset a lock screen password can be.