Originally Posted by
diesteldorf
[...] a year ago, with the Chase Sapphire Preferred, I opted to ask for the "Chase Freedom with Ultimate Rewards" and was able to pc into the long discontinued original Chase Freedom Visa with 5% rotating categories and keep my same account number.
https://www.reddit.com/r/CreditCards...assic_freedom/

to add another datapoint, I just PCed a CSR to the OG Freedom a few days ago. Amusingly the card graphic changed immediately in the app, though the label still reflected the old product. Similar to 4 years ago, the Dashpass cancellation email came almost instantaneously. I got an error message trying to activate the bonus category, but then found this previous report:
Originally Posted by
Zorak
Card image has changed in the Chase mobile app, although I am unable to activate the 5% bonus on it yet (agent had said it might take 24-48 hours)
So thanks, past-Zorak, for mentioning that

and indeed after ~48 hours I successfully activated the bonus category.