Unfortunately, Raiborg is correct.
I lost access to my phantom (files were still there) after I initialized and activated my main account against the new drive.
I then took the new drive out and put the old drive in to see if the phantom would still work, but it did not.
I wonder if I could have saved it by doing all of the deactivation offline (unplugged the PS4 from the internet)? But I suspect it was probably when I activated my new drive against main PSN account that screwed it up.
The statement in your first paragraph may not be entirely correct as I was able to swap the cloned drives back and forth and still play the phantom. It's when I decided to initialize and/or de-activeated and re-activated the PS4 against my main account that I think did me in.
How would one risk losing resell accounts by upgrading a HDD? With all of the login info, couldn't one just re-download the game if necessary? How would the license be lost on a resell?
There could still be hope, however. I wonder if the following method of expanding a PS3 hard drive using Linux could also work on a cloned PS4 drive?
http://ubuntuforums....d.php?t=1598890
Does anyone have any experience with Linux? If so, do you think you could perform what's in the first post of the thread above? Thanks!