How remove security code on samsung duos?

my samsung DUOS GT-7562 is not working by the methods you gave me above. what shall i do please help me.  

... to get unclock code. Switch ON your Samsung Galaxy S duos with a NOT ... on your Samsung Galaxy Note 4G. Compose : #0111*CODE#. There are ... get unclock code. You can also check at Samsung India site ...  

thanks.. network data mode worked for me....  

i press the volume up+down+home+power button but did not open the restart option  

Thanks a lot. Data network option worked for me and not lost any data. Thanks ...  

Too many pattern attempt in Samsung Galaxy S Duos GT-S7562, Forgot gmail Password,i tried above steps but sill showing same screen after the restart. what can i do please help me......  

thank u very much.. through data network mode procedure is worked out for me...  

switch off your mobile and press volume up + power on button, then select Wipe data/Factory Reset enter ok..then select reboot device, now your mobile will be restart, after this your mobile will be ...  

thank u very much dear when data network enabled by using power on button my phone unlocked b  

... will be directed to Setting->Security page where you can select ...  

... there isn't another way to remove the lock screen. Turn off ...