The iPod touch doesn't have cellular network access so you can't "unlock" it in that sense. There is a bar which comes up on the bottom when you have "locked" the touchscreen controls which you slide to unlock.
When you turn it on, slide the bar that says slide on the bottom. If numbers come up, enter your four number passcode
Slide the slide on lock screen ( to the right ) and it should unlock
Slid the bar
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slide 2 unlock
Ummm Slide to unlock ? >>>>>>>
Unlock it
touch it and drag it sideways on the ipod screen
you can unlock HTC touch using unlock codes but you can get for free.. you can purchase cheap codes from any vendors online like Superunlockcodes.com
to unlock it just plug it into your computer
Very easy to unlock HTC Touch Pro2. Just insert Invalid Sim card. it will ask you for unlock code. enter unlock code. Your Locked Touch Pro will be Unlocked and able to accept any GSM Sim card. For more Guide contact to http://htcimeiunlockcodes.com
Yes if you know the password
you press the pad on the left
try to lock it and then unlock it
Call the Apple store and they will tell you what to do. :]