https://www.cnet.com/news/lease-an-iphone-x-for-5-per-month/

Just a few weeks ago, Sprint unveiled a pretty tempting (and short-lived) offer on the iPhone 8: $8 per month when you sign up for a Sprint Flex plan.

Today, the carrier has a similar deal lined up for Apple's best phone (for now): The iPhone X for $5 per month. Once again, that's with an 18-month Sprint Flex plan -- but there's a second requirement as well: an eligible trade-in.