A. Is there any possibility you still have any sort of lock, (even screen lock or PIN) or account, especially Google account, still exists within the phone?
A. I don’t believe this is possible. The phone was in a brand new sealed box when I received it. Before I opened the box I had the IMEI checked and it came back clean, the phone was a genuine new phone. When I first turned it on I did not create any PINs and I opted to NOT login to a Google account or Samsung account. So I am unsure what would be tripping KNOX to flag the RMM as “Prenormal”.
B. In general you must remove all traces of ownership, especially by a third (or fourth) party before you Factory Reset.
B. See answer in " 1." above. I never set up any PINs or passwords on this new phone (maybe this tripped Knox by not doing so?)
C. Can you be sure you are doing exactly as required for “a Samsung first boot into TWRP”
C. I can’t get this far along in the process because KNOX (RMM set to “Prenormal”) blocks TWRP from being flashed to the bootloader. The process begins (via ODIN, Command Prompt, and Easy Installer) but then fails at the very end. Because of this it is impossible for me to get to the Boot Recovery step.
Here is what It does when installing by Terminal (Linux)
. I will post the line code from Odin and Easy Installer later.
Initialising connection…
Detecting device…
Claiming interface…
Setting up interface…
Initialising protocol…
Protocol initialisation successful.
Beginning session…
Some devices may take up to 2 minutes to respond.
Please be patient!
Session begun.
Downloading device’s PIT file…
PIT file download successful.
Uploading RECOVERY
100%
RECOVERY upload successful
Ending session…
ERROR: Failed to receive session end confirmation!
Releasing device interface…
*
The phone does NOT shut down between " RECOVERY upload successful" > “Ending session…” It just stays in download mode.