How to Unlock Pattern Password Lock on Android Phone

Method-1

1. First Switch off your Android Device.

2. Now Press Power and Volume Up key at the same time and wait for few seconds to start your phone into Recovery Mode

3. After opening Recovery Mode Select Factory Data Reset option and then Yes

4. Select Wipe Cache Partition to wipe cache data.
After this wiping cache process will start and success confirmation screen will appear.

5. Now Switch On your phone from Recovery Mode.

If you dont know how to switch on phone from recovery mode then just take out your battery , put it back & switch on normally.

Thats it you have Unlocked your Android Phone.

By doing Factory Reset you will lose all the app data. Such as Updates of apps, Phone Contacts, Messages, Bookmarks etc.
So take out your SD Card before Reseting