How to wipe data of wintouch tablet?

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Morning for all, i have a wintouch k72 whitch is blocked by the pattern is forgotten. Now, i try reset it but, i don't know to do. please help me to resolve my problem. thanking you in anticipation   more
Wintouch Q74 hard reset, press and ... volume down to navigate to wipe data/factory reset, select option by ...   more
This tablet uses Power + Volume down combination ... button. Select Wipe Data/Factory Reset and let the tablet reset. You can ...   more

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