Phone, iPad, iPod touch
1. On your iPhone, iPad, or iPod touch, open the App Store app.
2. At the bottom of the screen, tap Today.
3. At the top of the screen, tap the sign-in button or your photo.
4. Tap Redeem Gift Card or Code. If you don’t see “Redeem Gift Card or Code,” sign in with your Apple ID.
5. Tap You can also enter your code manually, then follow the instructions on the screen.
6. Enter the 16-digit code that begins with X sent to your email address, tap Done, then Redeem.
Mac
1. On your Mac, click the Apple button, then go to App Store.
2. Click your name or the sign-in button in the sidebar.
3. Click Redeem Gift Card.
4. Choose the You can also enter your code manually.
5. Enter the 16-digit code that begins with X sent to your email address, then click Redeem.
6. Now, you've successfully redeemed your code. At this point, you can either choose to Redeem Another Code or Done.
PC
1. Redeem your gift card on iTunes. (Download iTunes for Windows here).
2. From the menu bar at the top of the iTunes window, choose Account.
3. Then select Redeem
4. Enter the 16-digit code that begins with X sent to your email address.
5. Click Redeem
Android device
1. Open the Apple Music app. (Download and install it from your Google Play app).
2. Tap the menu button (three vertical dots), then tap Account.
3. Tap Redeem Gift Card or Code.
4. Enter the 16-digit code that begins with X sent to your email address.
5. Tap Redeem.
Having trouble redeeming your code? Check out the Fix Common Errors for iTunes.