Sprint Iphone X Buy One Get One Free Apr 2026: This was the most common offer, allowing customers to save $350 by trading in an eligible older smartphone and using the Sprint Flex Lease program. 50% Off Lease : Sprint occasionally offered the 64GB rather than standard BOGO deals. Below is a breakdown of past Sprint promotions for this device and where you can find similar value today. Historical Sprint iPhone X Promotions was a flagship device, Sprint's primary offers included: sprint iphone x buy one get one free for roughly $20/month with a new line, effectively cutting the lease price in half without requiring a trade-in. : This was the most common offer, allowing |