 Tecno just unveiled a rather intriguing modular smartphone concept design at MWC 2026. The standout feature here is likely the size. Most modular smartphone concepts start bulky and only get bulkier once attaching accessories. Tecno's base smartphone is just 4.9mm thin, which is significantly thinner than a pencil and the iPhone Air.
Of course, the size increases with each attached module. However, snapping on the power bank module makes the thickness comparable to a standard modern smartphone. Another key feature here is how these various modular components stick together. Tecno has developed new interconnection technology that uses both magnets and pin connectors. This should make it easy to both attach and remove components.
The company says this phone has been designed to grow with the user through hardware expansion. To that end, Tecno has developed 10 modules. There are various camera lenses and something that looks like a dedicated gaming controller.
Tecno
While the magnets are for attaching, the pin connectors assist with power delivery. Data transmission between the phone and the modules is handled wirelessly, with the ability to switch between Wi-Fi, Bluetooth and mmWave depending on
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