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The constraint for modern smartphone privacy is the physical visibility of the display surface when the device is not in the user's hand.
Xiaomi's new 18 Pro and 18 Pro Max, launched in China today, address this by integrating a more flexible take on the privacy display technology introduced on Samsung's Galaxy S26 Ultra this year.
This hardware shift sits at the intersection of optical engineering and user interface design, allowing the screen to obscure content from side angles while maintaining full clarity for the primary viewer.
Display architecture and camera integration The mechanism behind the privacy feature works in tandem with the phones' returning rear screens.
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