To make this technology work, Apple had to incorporate a glass panel on the back of the iPhone X, as metal bodies interfere with the electromagnetic field required for power transfer. When Apple removed the iconic home button, it necessitated a complete rethinking of the device's rear architecture.
How Home Button Removal Changed the iPhone X Rear Design
Unlike the aluminum unibody of the iPhone 8, the glass rear is more susceptible to shattering upon impact, a concern that led Apple to partner with specialized glass manufacturers like Corning for the required strength and optical clarity. Apple moved away from the dual-tone flash of previous models to a single, high-quality LED unit.
Carefully placed to minimize signal interference, they run horizontally across the back, dividing the glass camera module from the lower glass panel. While the glass back allows for the necessary wireless charging, it also introduces a trade-off regarding durability.
How Home Button Removal Changed the iPhone X Back Design
Material Construction and Durability Constructed from glass and stainless steel, the back of the iPhone X was designed to signal a premium feel. User Interaction and Functionality.
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