Smartphone production involves several key steps, starting with the design and engineering of the device. Companies like Apple and Samsung create prototypes and select materials, such as metals and glass, to ensure durability and functionality. Once the design is finalized, components like processors, cameras, and batteries are sourced from various suppliers around the world. After gathering all necessary parts, assembly takes place in factories, often located in countries like China and Vietnam. Skilled workers and automated machines work together to put the smartphones together. Finally, quality control checks ensure that each device meets industry standards before being shipped to retailers and consumers.