Apple launched the iPhone 17 range and the all-new iPhone Air on Tuesday. Following the launch of the new phones, the tech giant has discontinued certain older iPhone models. The discontinued models include iPhone 16 Pro and iPhone 15.Apple launched the iPhone 17 range and the all-new iPhone Air on Tuesday. Following the launch of the new phones, the tech giant has discontinued certain older iPhone models. The discontinued models include iPhone 16 Pro and iPhone 15.