First, you must go into menu, then go into the settings, go to the bottom of the page, then look for either reset settings, or master reset then the password is either 1234, OR 0000
You could try contacting the service number and they will problably fix it. I suggest you never lock it again!!!
The best way to reset a Samsung GT-C3300K phone is to do a master reset. A master reset can be performed within the settings feature of the phone.
type in #3825968#*
master password yes
To perform a master reset on your Samsung GT-S5350, go to the home screen and tap on "Menu." Then, select "Settings," followed by "Privacy," and choose "Factory data reset." Confirm your selection, and the phone will reset to its original factory settings. Ensure you back up any important data before proceeding, as this will erase all personal information.
To Perform a Master Reset or Master Clear:Tap (Menu)Tap SetupTap either Master Reset or Master Clear
Lost my phone lock code. Is there a master reset #?
The number is 00000000
0000
no can u help me
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You can do a master reset. You would be resetting everything into it's factory settings.