The iPhone 16 underwent several prototype stages before its final mass-production units were released. During development, Apple made design changes and tested different hardware features to ensure they met quality standards. These changes included alterations to the buttons and key hardware components of the device.
One significant feature scrapped during development was the capacitive Action button, part of a project named Project Atlas. This button was intended to mirror the functionality of the Camera Control button, offering additional customization options and improved functionality. However, the capacitive Action button was removed during the Proto2 stage of development in favor of the Camera Control button.
Another scrapped feature was Project Bongo, which aimed to introduce haptic volume and power buttons to the iPhone 16 range. While this project was initially planned for the entire lineup, only the Camera Control button made it to the final product.
Early prototypes of the iPhone 16 also featured different rear camera designs, inspired by older iPhone models. These designs included a vertical camera layout for the base models, allowing for spatial video capture and immersive 3D content creation.
Overall, while some planned features were scrapped during development, the iPhone 16 still offers significant upgrades, including the A18 chip and vibrant color options. The final design reflects a combination of testing and refinement to create a visually distinct and technologically advanced device.
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