Samsung Galaxy Note 5 unblacklist IMEI service for:

T-Mobile - (SM-N920T)
AT&T - (SM-N920A)
Sprint - (SM-N920P)
Verizon - (SM-N920V)
Europe - (SM-N920F)
Canada - (SM-N920W8)

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.