The service is for unlock iPhone 4S, 5, 5S, 5C, 6, 6+, 6S, 6S+, SE, 7, 7+ from"Canada Service". IMEI, which are unlocked of this service will be accept any SIM card. If in your check result by IMEI there is a line: Next Tether Activation Policy Description: Canada Service, you can use this service.
This service is only for unlocking from "Canada Service". If you order this service for unlocking from any other operator or if you choose the incorrect model - you will lose money for the wrong order.
The chances for successful unlocking are about 50-55%. In case of failure, the order will be canceled, the money will automatically return to your balance.