2plate oven that was bought less than 2years and broke after months being bought

Yooooo lewis store no they don't want to take a blame they want to put theblame on a customer i won't back down until all of this is solved now they call without a suggestion instead they say we must pay for something that it has been used over months it was only used 3months nd died i think now i must involve xrepo cause wow I'm tired of explaining