The service is for unlock iPhone fromFrance SFR. IMEI, which are unlocked of this service will be accept any SIM card. After unlocking, the phone will be unlocked FOREVER, it can be updated to any newest version of the OS.
This service is only for unlocking from France SFR. 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.