As of my last knowledge update in January 2022, the iPhone 14 and iPhone 15 have not been released, and I don’t have information about any developments or specifications for these models. Apple typically releases new iPhone models on an annual basis, usually in September. For the latest and most accurate information about iPhone models and their specifications, I recommend checking Apple’s official website or reliable tech news sources.
If the iPhone 14 and iPhone 15 have been released since my last update, I suggest checking Apple’s official announcements, product pages, or reviews for detailed information on the specific features, specifications, and differences between these models.