then press the power button and after is started just release it.
and then you can see you enter in the secret android menu you never see it before.
just click on home button for up and down in the menu.
then just go to third option named as DELETE ALL USER DATA.
then it takes dome time.
the phone will be started and the unlock patter problem is fixed.
For this method to work for you, your USB debugging must be turned on in your smartphone.
*.Connect your Android device via USB to your computer.
*.Open Command Prompt by pressing the window key + R, then type “cmd” (without quotes) in the space provided and hit OK. *.Type in the following codes
adb shell cd /data/data/ com.android.providers.settings/ databases sqlite3 settings.db update system set value=0 where name=’lock_pattern_autolock’; update system set value=0 where name=’lockscreen.lockedoutpermanently’; .quit
*.Reboot your android device and unlock via whatever pattern you choose.