Apple says that, in order to enjoy ProRes video recording in 4K at 30 frames per second, you
Apple still limits ProRes recording on 128GB iPhone 14 Pro and Pro Max
4K ProRes Video Recording is Not Available on 128GB iPhone 13 Pro Models
iPhone 13 is years behind in Slow Motion!
ProRes video on the iPhone 13 Pro: What it is and why it's a big deal - CNET
Apple Says 128GB iPhone 15 Pro Limited to 1080p ProRes Video Recording Unless External Storage Connected : r/apple
IPhone 13 ProRes Files - A Data Transfer Problem Waiting To Happen - MASV
How to Record ProRes Video on iPhone 13 Pro
Refurbished iPhone 13 Pro 128GB - Gold (Unlocked) - Apple
iPhone 13 Pro and 13 Pro Max: A15 Bionic chipset, new triple-camera array, ProMotion display and more: Digital Photography Review
Apple debuts iPhone 14 Pro and iPhone 14 Pro Max - Apple
iPhone 13 vs. iPhone 13 Pro: Which iPhone is best?
iPhone 15 Pro has a big video drawback unless you buy extra storage