i am afraid you have to be on your own computer
how do you undo the redeem on itunes
Scrolling to the bottom of the page in the App store reveals a Redeem button which is used to redeem an iTunes Gift Card.
First you open up itunes on your computer, then go to the itunes store. On the sidebar under quick links you press redeem and you enter in the code on the back of your itunes gift card Or You can just got to the app store on your iPod and go to features, scroll down and press redeem and type in you code there Hope that helps
If you have a gift card to redeem open the iTunes software and click on the iTunes store link. In the Quick Links box in the top right corner select Redeem and follow the instructions to type in your gift card number.
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To redeem a gift card in iTunes, click iTunes Store in the iTunes program. Then go up into the right hand corner where your username is and a arrow should appear. Click the arrow and when the drop down box comes up, click redeem. It should ask for the code on the back of the gift card. Type that in, and you have redeemed your gift card! On a mobile device scroll to the bottom of the page in the iTunes app or App app to find the Redeem link.
yes, go to the ipod touches itunes store and go to downloads and in the top left hand corner says redeem, click on that and enter the code.
To use an iTunes Gift Card to pay for your songs click on the Redeem link in the Quick Links box (top right) on the iTunes store home page.
Go to iTunes Store when on iTunes and click the "Redeem" button
In the iTunes or App Store apps there is a Redeem button at the bottom of the page which is used to add an iTunes gift card.
Actually you don'tif you have a gift card you dont need your credit card
Go to the iTunes store on your computer and click redeem, open the gift cards category. Enter the code on the back of the gift card. The from your iPod you can download the app or search it in the iTunes store from the computer and Sync your iPod afterwards.