This is remote service with WINDOWS computer only, or bootcamp on mac.
Make sure you have latest drivers LINK
Install FLEXIHUB LINK
Open flexi, Insert token to "token" field - 5b4bee0c717fc7e3ac2b04b511e268183f90e968
Connect erased phone to comp, in device field write your comp name and samsung com port number, make order.
Good luck
Delivery time: instant-30 minutes
Bulk orders allowed: Yes
Order type: Custom
Service type: Server
Submit to verify allowed: No
Cancellation allowed: No
Order processing: Manual