Amazon seems to be running a "BOGO" promo for the 64GB Android One edition. They will give you a free 32GB Black X4.
You need to add both to your cart. Discount applied in checkout.
Here is the X4 32GB that you can get free:
https://www.amazon.com/gp/product/B074VFRKZG/
Promotion details:
https://www.amazon.com/gp/promoti…V0TNT
https://www.amazon.com/Motorola-A…B07G7MYCCD