My name is***** am sorry to hear that you are having this issue.
I will be glad to assist you with this.
Do you have a computer with iTunes software installed on it?
okay, do you have a windows or mac computer that you can install the software on?
okay, this sounds like you will need to use iTunes to restore the iPod.
Follow these steps please> Download and install iTunes on your computer from iTunes.com
Then you will need to use DFU mode on the iPod to restore.
Then restore your iPod.
Let me know how it goes please.
Let me know if this does not work and we can try another solution.
Please reply and let me know if you need any other assistance,
Also, please take a moment to rate my service by choosing one of the stars at the top then click submit.
Yes, if it's locked it will have to be unlocked with the original account that it is locked to.