Boost Mobile offers the iPhone XR 64GB 4G Smartphone for Boost in several colors (Black pictured) for $649.99 with free shipping. That's the best price we could find for this on another network by $99. This recently-released iPhone features: it features: A12 Bionic chip (shared with the higher-end iPhone XS) 6.1" Liquid Retina 1792x828 LCD display Advanced Face ID single-lens, 12MP rear camera with depth control and Smart HDR 7MP front camera with Animoji and Memoji dual SIM card slots iOS 12 Note: The 128GB option is available for $699.99 and the 256GB for $799.99, both with free shipping. They're both $99 less than what you'd pay elsewhere for them unlocked/with another network.