Does apples dead pixel policy require a warranty?
iPod touch, iOS 6.1.6
No.
Apple will exchange your iPod for a refurbished one for $199 for 64 GB 4G and $99 for the other 4Gs. They do not fix yours.
iPod Service Center- FAQ
https://support.apple.com/ipod/repair/service
A third-party place like the following maybe less. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens
Replace the screen yourself if you are up to it
iPod Touch Repair – iFixit
Does apples dead pixel policy require a warranty?