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ScreenThe screen, also known as the display, is typically made of glass, spec...

ScreenThe screen, also known as the display, is typically made of glass, specifically a type of reinforced glass such as Gorilla Glass from Corning Inc. This glass is strong, scratch-resistant, and able to withstand impacts better than regular glass. Underneath the glass, there are layers of components that make up the display technology, such as LCDs, OLEDs, or AMOLEDs, depending on the type of screen.HousingThe housing or chassis of a phone can be made from various materials. Some common ones are plastic, metal (like aluminum or stainless steel), and ceramic. Plastics are lightweight and inexpensive, while metals and ceramics provide a more premium feel and durability. Recently, glass has also become a popular material for phone backs, especially with its sleek and modern appearance.Buttons and SwitchesButtons and switches, such as the volume rocker, power button, and home button, are usually made from metal or plastic. Metal buttons often have a more solid feel, while plastic buttons are lighter and cheaper. Some phones may also have capacitive buttons that are integrated into the screen and don't require physical buttons at all.CameraThe camera lens is usually made from a high-quality optical glass that allows for clear and sharp images. The camera module itself can be made from metal or plastic, depending on the design of the phone. Some high-end phones may even have sapphire crystal lenses, which are even more durable than regular glass.BatteryThe battery is typically made from lithium-ion cells. These cells are encased in a metal or plastic casing, depending on the design of the phone. Lithium-ion batteries are widely used in mobile phones because they have a high energy density, meaning they can store more energy for their weight and volume.Internal ComponentsThe internal components of a phone, such as the processor, memory chips, and circuit boards, are typically made from a combination of metals, plastics, and ceramics. These materials are chosen for their electrical properties, durability, and ability to withstand the heat generated by the phone's operation.