SMC? Really?

Purchased my device about 5/6 months ago. Purchased ONLINE through my mobile service provider, NO ONE informs me of the SMC, over the weekend have a conversation with one of my friends regarding this plan, and call the call center to find out, to get told no. Even as one of your loyal customers coming from having an S4, S5 and now having my S8 and planning on moving on with the brand, it seems i will have to go back to being an Apple client! I was willing to backdate my plan and pay all premiums missed, but Samsung has the worst customer service base EVER!! I have been having constant problems with you people! It's so extremely frustrating! I hate samsung!!!