Do not use this service for SonyEricsson & Samsung as server return only NCK code and phone will also ask SPK which is not provided by the supplier. Instead of these two brand you can use "Samsung Canada" or "Sony Xperia (IMEI Only)" (Factory Code).
Rogers/Fido and Red Canada phone: HTC, Motorola, Nokia, Samsung, Sony Ericsson, etc. (except Blackberry & LG). For Blackberry, use Blackberry method. For LG use LG method. This tool DO NOT provide Service Provider Code.