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 On its own, at 4.9mm thin, Tecno's modular phone concept barely feels like a smartphone. It has a screen, a basic camera module, four low-profile pogo-pin connectors and that's about it. From there, you can seemingly build your conceptual phone however you want.
At its booth at MWC 2026, Tecno had two families of modular components in two different colorways, which is surprising at this concept stage. The chunky telephoto lens and housing must weigh over three times as much as the base phone, adding up to 20x zoom capabilities, even if it was a little glitchy during my hands-on. The barrel also offers manual focus, which is always a nice touch. The lens itself is huge, though, making even Vivo's latest 400mm telephoto lens peripheral look reasonable by comparison.
Image by Mat Smith for Engadget
There are more subtle camera modules, including ultrawide options and a more streamlined periscope telephoto. There's even an action cam that can attach through Wi-Fi and be used on its own. Depending on the module, transmission is also done through Bluetooth and even mmWave. One module has an antenna that folds out, turning the phone into a walkie-talkie messenger… thing th
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