原帖由： tri5kmark ,
Hi To reset your tablet and unsynch the previous owner's details follow the instructions below:  Turn off your Android device. ...  Press and hold the "power", "volume down", and "camera or home" buttons simultaneously. ...  Release the buttons once your Android device is powered on. ...  Scroll using your "Volume up and down" button until you find the "wipe data/factory reset" option.