$50 balance for Xbox Live. Compatible on all Xbox devices.
To redeem your digital code you have to sign up through a sponsored promotion using your E-Mail and answer a few questions. Make sure to provide real information as only then you can receive the code in your E-Mail.
1. Receive your code on your mobilephone
2. Redeem the code at your Xbox Live account
3. You receive $50 balance on your Xbox account.