Samsung Galaxy Note 4 Edge unblacklist service for:

AT&T (SM-N915A)
T-Mobile (SM-N915T)
Verizon (SM-N915V)
Sprint (SM-N915P)
Canada (SM-N915W8)

Service is done by a remote tech through USB cable. After purchase, you must speak with a technician on the live chat during normal business hours from a windows computer to complete service on your phone.