Screen Lock only locks users out of the user interface. It does not
encrypt data on your iPod. For example, if you use Screen Lock and then
connect your iPod to a computer, you'll still be able to manage music on your
iPod with iTunes and access all data on it in disk mode (contacts,
notes, and any other files you have stored on the iPod).
To unlock it, connect iPod to the primary computer you use it with (the first one
iPod synced with), and open iTunes. When you disconnect iPod from the
computer, it will no longer be locked.
If you can't unlock iPod using this method, you can restore
your iPod to factory settings. Please note that this will erase all
data on your iPod. Afterwards, you can add your music and data back to
To restore your I-pod, do this:
1) Ensure that you have an active Internet connection as new versions of
iTunes and iPod Software may need to be downloaded to your computer.
2) Open iTunes, and then connect your iPod to your computer using the USB or FireWire cable that came with your iPod. After a few moments, your iPod will appear in the Source panel in iTunes.
3) Select your iPod in the Source panel and you will see information about your iPod appear in the Summary
tab of the main iTunes windows.
4) Click the Restore button. You will be prompted with one or more restore
options that may prompt iTunes to automatically download the latest
iPod Software. Use restore option 4.