how to hard reset samsung galaxy s duals

Hello Friends Today I am gonna to show you how to 

Hard reset Samsung galaxy s duals If you forgotten patten lock passcode ,password

First Step : shut-down your Samsung galaxy s duals and remove a battery then put the battery again

Second Step : press home button and up-down volume key and lock key same time 

Third Step : appear the Samsung logo on then drop the all button 

Fourth step : ans open the Samsung galaxy recovery menu open then select 
                   format options and select yes then reboot the phone and 
                   and enjoy

Thank you Dear Friends 

You have a any problem then 

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