Regarding the Promotion with the Gear VR and Controller.
You will need to submit a form with Samsung Canada and sent it to them. They will contact u with more info.
"Early cancellation fees apply in accordance with your Wireless Services Agreement Both Samsung account web registration and on-device registration must be completed in order to redeem the offer. Web registration must be completed at http://pages.samsung.com/ca/preordergift/English/ by April 23, 2017; On-device registration must be completed by May 20, 2017. Delivery within 6 to 8 weeks thereafter."