Samsung Galaxy S6 Edge+ unblacklist IMEI service for:

T-Mobile - (SM-G928T)
AT&T - (SM-G928A)
Verizon - (SM-G928V)
Sprint - (SM-G928P)
Europe - (SM-G928F)
Canada - (SM-G928W8)

Service is done remotely through USB cable by a remote tech. 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.