Now when I log in, it says:
You’ll be eligible to upgrade between 22 Jun 2019 to 21 Aug 2019. If your eligibility window has come and gone, not to worry - you can still buy a phone directly from us. Any questions, email our customer service team at email@example.com or call them on 0330 SAMSHOP (726 7467) and select option 2.
If Samsung has any concept of customer service they will find some of the sold out models for loyal upgrade program users who have been affected by this shameful dropping off the ball. How do you not remember this?