reset password
To reset the phone lock on the Samsung Galaxy s2 go to the settings section and select password options. then select password reset and enter your current password followed the password you would like to change it to.
reset code
master password yes
One can reset the password on a Samsung GT-C3053 easily if they know the original pass code to be able to change it. If one does not know the original passcode the phone will have to have a hard reset performed.
0000
click on 'reset password' & follow the instructions
go to settings , then security , and it is in that list
Just change your password.
You have to have the phone company reset it, unless you know the password, then it depends on the cell phone
You will have to reset your username and password in your settings.
Try calling your wireless provider. They may be able to help you either recover the password or reset the password.