You can find this on the box sleeve (like attached).
If you don't have the box sleeve, go to the Backbone app's Settings > Controller > Controller > Serial number
Articles in this section
- Claiming Your Call of Duty: Warzone Mobile Perk
- Redeeming Your Xbox Game Pass Ultimate Trial Offer
- Do I need the Backbone App to use the Backbone One with Android?
- Is the Backbone app available on iOS and Android?
- How do I redeem my Xbox Game Pass Ultimate offer?
- Is the Backbone App free?
- Am I eligible to redeem the Xbox Game Pass Ultimate Bundle?
- Is Xbox Game Pass Ultimate supported in my country/region?
- Is there an age requirement for using Backbone?