vvdi key tool max has set the pattern to unlock, now I forgot the pattern, what should I do? Chinacardiag Questions › Category: Questions › vvdi key tool max has set the pattern to unlock, now I forgot the pattern, what should I do? 0 Vote Up Vote Down sales Staff asked 2 years ago Reset, click the button on the right, press and hold for 10 seconds, then enter the factory mode, restore the factory settings