iPhone 15 Pro 128GB variant can record 4K ProRes directly to
ProRes video recording is supported in up to 4K quality at 60fps for both internal and external storage.
Apple is lying to us about ProRes 4k 60 on the iPhone 15 Pro!
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Not all iPhone 15 Pro models can record ProRes video in 4K without additional hardware
Should I buy the 128GB or 256GB iPhone 15 Pro? - Quora
Apple Says 128GB iPhone 15 Pro Limited to 1080p ProRes Video Recording Unless External Storage Connected - MacRumors
iPhone 15 Pro: Price, availability, specs, and everything you need to know
iPhone 15 Pro Max ProRes 1 Hour Recording Tolerance Test External Storage
iPhone 15 Pro 128GB variant can record 4K ProRes directly to external storage
4K ProRes video recording is not available on 128GB iPhone 13 Pro models