https://www.cnet.com/news/galaxy-s9-samsung-verizon-t-mobile-att-sprint-trade-in-for-iphone-x-not-a-good-deal/ >Samsung wants to give you $350 off its new Galaxy S9. Sound good? All you've gotta do is trade in your iPhone X! (Or a Galaxy S8, but let's focus on one phone at a time.) >This might be a good time to mention that a brand new iPhone X, which came out less than four months ago, costs $999.