Using the Dual Entitlement feature in FIFA 21, you can upgrade your copy of FIFA 21 on Xbox One to Xbox Series X or Xbox Series S for free. This will allow you to carry over and transfer all of your FIFA 21 data and progress from your previous console to the new one, including FUT progress and data.
How to Upgrade Your FIFA 21 Copy to Xbox Series X or S
To upgrade your FIFA 21 from Xbox One to Xbox Series X/S, you need to go to Xbox Store and redeem your Dual Entitlement download code there.
We will have the details once Xbox Series X or Xbox Series S is out. Stay tuned.