Reset Pattern Lock Or Password Lock On Android without formatting

Download the app from the below link.

1.  Copy Aroma File manager.zip 2 your memory card. 
2.  Open your recovery (press volume Down +Pwr button or it can be diff in sum other manufacture google it.) 
3. There'll be an option in recovery called"mount" . Go in dat option and then mount all cache , system.etc.
4.  Then select "update" n select "apply update from SD/external" and select aroma file manger.zip file dat u downloaded.
5.  After Flashing or updating, The aroma file manger will open. Use volume keysfor up/down n power button 2 select like you use in recovery.
6.  In aroma File manager , Goto menu , wich islocatd in bottom strip and then select Settings.
7.  Goto bottom n select "mount all partition instartup " then exit from aroma file manger.
8. Now after exit , re-update dat aroma file again and it will open again.
9. Goto data >> System.Then find 'gesture.key' (for pattern lock) and 'password.key' (for password lock) then long touch on gesture.key or password.key and sum option ll be promptd ,choose delete and delete dat file and restart.

Done.