You would have to reset your i touch by connecting to the computer, going to iTunes, then completely reset it.
Go into settings, then general, then passcode lock, enter your passcode then click change passcode
if you can remember your password, type it in, and go to settings. Go into general, then passcode lock, then, if you want to get rid of your password and wish to have passcode lock of, then press the "Turn Passcode Off" button. You will have to type in your current password though. if you wish to change your passcode, then simply press the "Change Password" button, and type your desired passcode! that's it!
you have to reset it.
I had this problem except I knew the code, but it froze and would not let me connect to itunes. What you are going to have to do is reset your ipod, which will make you lose everything, but it will work. To reset connect to itunes.
settings-general-passcode-set your passcode(it can be a 4-number passcode or a letter one--to get a letter one, turn off the simple passcode)
You will need to plug it into iTunes and reset it to factory settings. Although you will lose all information on it, the passcode will be disabled.
slide an put you passcode in
How do you reset your voicemail passcode on Sprint phone
you need to know the actual passcode... settings/general/passcode lock
i don't think you can.
You can do a master reset. You would be resetting everything into it's factory settings.
If you mean passcode (safety lock, asks for code on wake up):go to Settings on the Home Screen> General> Passcode Lock> (enter your passcode)> Turn Passcode Off> (enter your passcode again)