Here's a quick article to break down how to redeem your MyTEAM packs in NBA 2K21, for new and old players alike! In order to redeem any MyTEAM pack(s) in-game, you'll need to follow the steps listed below.
Here's an example that shows how to redeem the XBOX Game Pass Ultimate Perks MyTEAM bundle:
1. After claiming the Perk in the Xbox Game Pass Perks Gallery, launch your copy of NBA 2K21.
2. From the main menu, select MyTEAM.
3. Once in the MyTEAM home, the 5,000 MyTEAM points will be automatically awarded and can be viewed in the upper-right hand corner of the screen, as seen here:
4. Use the RB button to scroll to the Pack Market tab and select Unopened Packs.
5. At the Unopened Packs menu, the Flash 5 Award Pack, Inferno Deluxe Award Pack, and Award Booster will be awarded.
6. Redeem the packs in order to add the cards to your collection.
Please also check out this article if your pack(s) are missing: https://support.2k.com/hc/articles/360051735914