Too Many Pattern Attempts

Use the following to unlock your phone :

1. First solution is to use Google account associated with mobile.You need to log in into your Google account and then you can disable or change the pattern lock.

2. Second solution to overcome “Too Many Pattern Attempts” problem is to format the mobile device.You need to make hard reset of your mobile to overcome pattern lock problem.For most of the Android devices ,you can hard reset the device by pressing POWER + VOLUME + HOME button simultaneously.

3. Third solution is to use desktop app.You need to know username and password of Google account associated with your mobile device.Name of the app is Screen Lock Bypass Pro.

More info here : http://technomi.com/too-many-pattern-attempts-solution/