OnePlus 6T trade-in deal: $300 off at T-Mobile By October 30, 2018wordpress Snag T-Mobile’s $300 discount even if you have an older phone. Read More » SOURCE: CNET This site is not involved in the creation of this post. Related posts: OnePlus 6T first take review: Great price, innovative technology, and responsive performance Don’t Wait: GameStop’s Best Ever ‘Xbox One X’ Trade-In Deal Ends Today T-Mobile US starts smartphone trade-in promotion This OnePlus 8 Pro Pre-Order Deal Gets You $120 in Freebies – Droid Life No tags for this post.