What is the most logical next event?

How to unlock a samsung j7 
Make sure your j7 is eligible to be unlocked. 
You can unlock your samsung j7 using the device unlock app as long as you meet their requirements. If this method doesn't work for you, try using an unlock code.
It cannot have been reported as lost or stolen. Your account must be in good standing (or, if canceled, your balance due must be $0).