By Mikey Campbell -
When Apple launches its next-generation iPhone, the handset will likely carry a fingerprint sensor embedded into a slightly convex home button made out of sapphire, a major change to current designs.
By using a convex home button instead of the familiar concave design, Apple will be able to make room for the much rumored fingerprint sensor without losing precious internal space, according to well-informed KGI analyst Ming-Chi Kuo.
In a research note obtained by AppleInsider, Kuo says Apple is using sapphire because of its resilience to scratches, which will thus protect the fingerprint sensor embedded within.
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