Samsung Galaxy S6 unblacklist IMEI repair service for:

T-Mobile - (SM-G920T)
AT&T - (SM-G920A)
Sprint - (SM-G920P)
Verizon - (SM-G920V)
Europe - (SM-G920F)
Canada - (SM-G920W8)
Australia - (SM-G920i)

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.