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I just tried a new modular camera phone from Xiaomi that uses magnets — and it makes the iPhone look primitive

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Xiaomi’s Modular Optical System (or MOS ) was on display at MWC 2025 .

The idea behind this concept device is that you can attach compact camera lenses onto the back of your phone.

This essentially turns your phone into a mirrorless camera, rather than relying on the traditional camera lenses that live on the back.

The MOS relies on a pair of contact pins, forming a connection between the phone and lens.