(adsbygoogle = window.adsbygoogle || []).push({}); 1. Sign into the ps4 with the higher level account you want to dupe.
2. Go to multiplayer then click public match.
3. Now I sit there for about 30 seconds.
4. Press Circle to get back to where the guy with the two guns is at (Main Menu)
5. Hold down the ps button then go down to switch users, Switch to the low level account or the one you want to dupe over.
6. As soon as you're logged into the lower level account tap (X) once then wait a second then tap (X) again.
7. From here you should be on local, head to play online.
8. Find game and join. Get a kill or death then leave.

The glitch should now have worked and you duped an account with one controller.
*These are the steps I have been using, occasionally my black ops 3 will force close then you will have to retry it. I found this completely by accident. I just decided to post it today because everyone else is. I was going to initially release it when the 2 controller method got patched. Thanks guys have a great day / night. Im willing to help anyone out that needs help with this.

Credits: Chuck54321
RageKing

Sometimes the error message shows up sometimes it doesn't I can't explain why it happens. All depends on the timing I guess

You got kik chuck??

Ended up getting reset you were right

Pm me

Pm me. I replied to you

For me only title and emblem ends up being duped not the level :/

All the titles and emblems or just the ones the dupe account has equipped?

When I did it it said please reconnect

Did you sign out of the account or select switch users?