Q: problema al actualizar ipod 5 touch (icloud)

Google translate:

Hello good day my problem is that my cousin sold me his ipod 5th generation and was using normal mind but leave one actualisacion will restart and asks for a key raw apple ami told him if recordava apple id which I replied that and why not come to you expect your total aid.

You are running into the Activation Lock

iCloud: Find My iPhone Activation Lock in iOS 7

You either have to enter the ID and password lasted used for Settings>iCloud on the iPod or have the previous owner remove the device from their account.

Find My iPhone Activation Lock: Removing a device from a previous owner’s account

If necessary, Apple will help your cousin recover the his password.

How do I change or recover a forgotten Apple ID Password?

If you've forgotten your Apple ID Password or want to change it, go to My Apple ID and follow the instructions. See Changing your Apple ID password if you'd like more information.

Apple will not help you