You need to perform Hard Reset to unlock phone if the password is forgotten. Doing hard reset will earse all your data so make sure you should have taken backup before [performing this function.
How to Unlock Pattern Password
1st method
2nd method
- Power off the phone
- Press and hold Volume Up (Yellow) + Home Button (Red) + Power on (Blue)
- When phone vibrate release the Power button (Blue) and keep holding the other buttons
- When you see android logo release all buttons
- With Volume down button go to Wipe data / Factory Reset and press the Power button (Blue)
- With Volume down button go to YES — Delete all user data and press the Power button (Blue) to confirm
- After format go to reboot device and press the power button (Blue)
3rd method
- Power off the phone
- Press and hold Volume Up + Power on (Key)
- When you see Recovery logo release all buttons
- With Volume down button go to Wipe data / Factory Reset and press the Power button
- With Volume down button go to YES — Delete all user data and press the Power button to confirm
- After format go to reboot device and press the power button
4th method
- Power off the phone
- Press and hold Volume Down + Power on (Key)
- When you see Recovery logo release all buttons
- With Volume down button go to Wipe data / Factory Reset and press the Power button
- With Volume down button go to YES — Delete all user data and press the Power button to confirm
- After format go to reboot device and press the power button
5th method
- Power off the phone
- Press and hold Power on (Key) after 2-3 second press Volume Up (Key)
- When you see Recovery logo release all buttons
- With Volume down button go to Wipe data / Factory Reset and press the Power button
- With Volume down button go to YES — Delete all user data and press the Power button to confirm
- After format go to reboot device and press the power button