Cannot unlock volume control; have no code - Apple iPod touch

Unfortunately the password is whatever you set it as but you can do this. Plug in your iPod and iTunes will open ( or open it youself)Select all you songs by clicking ctrl and A. (PC's: Ctrl and A at the same time. Mac's: Apple and A at the same time.) Right click your songs. Click "Get Info" Click "Yes" Click the "Options" tab Check "Volume Adjustment" Put the Curser all the way to "+100%". Select Ok! Hidden Folder for Mac's Enable hidden folders. If you go into Terminal and run these two commands all the hidden files appear when you open Finder. defaults write com.apple.finder AppleShowAllFiles TRUE killall Finder To get back to hiding hidden files use these commands defaults write com.apple.finder AppleShowAllFiles FALSE killall Finder Navigate to the hidden folder named "iPod_Control", and once there click on the folder "Device". Once there, delete the file named "_volumelocked". Eject your iPod. Then, restart your iPod. You can do this by holding down the center and menu button for at least 6 seconds. Once your iPod has rebooted, check and make sure that it worked. Simply go into "Settings", "Volume Limit". If it asks for a PIN, you did it WRONG. Retry the above procedure.
Hidden folders for windows PC Enable hidden folders. In Windows explorer,go to "Tools", "Folder Options". Then click on the tab called "View", and under "Hidden Files and Folders", click "Show Hidden Files and Folders". Navigate ("My Computer" to double-click on the icon of your attached iPod) to the hidden folder named "iPod_Control", and once there click on the folder "Device". Once there, copy the file named "_volumelocked" to a folder on your hard drive then delete it from the iPod. Eject your iPod. Then, restart your iPod. You can do this by holding down the center and menu button for at least 6 seconds. If using an iPod Nano, hold down the center button and menu button simultaneously for about 10 seconds. Once your iPod has rebooted, check and make sure that it worked. Simply go into "Settings", "Volume Limit". If it asks for a PIN, you did it WRONG. Retry the above procedure.
Warning: Note that some methods may not work on all iPods. Not all ipods have the file called "_volumelocked" it is impossible to get better sound on some of the ipod gens, for example the 5g 60-80 gigabyte ipods. Don't Listen to music too loudly. It will destroy your hearing. Don't delete any more files than necessary as it may prevent your iPod from working