Tecno's Spark Slim Phone Concept at MWC 2025 Is Nothing Short of a Marvel

Amid rumors about a thinner iPhone, Tecno has unveiled a phone concept, called the Spark Slim, that's skinnier than a pencil. I got to hold it at Mobile World Congress in Barcelona, and it's certainly the lightest and thinnest phone I've ever encountered (the company says it's just 146 grams). Typically, a narrower phone could mean compromising on things like battery life and camera, both of which phone buyers still rank among their highest priorities. But Tecno says the Spark Slim has a 5,200-mAh battery and two 50-megapixel cameras, one wide and one ultrawide. And if you're nervous about sitting on your phone and inadvertently turning it into a foldable, the company said not to worry, as the Spark Slim would use Corning's Gorilla Glass on the display and feature options for a ceramic or stainless steel backing. Storage has yet to be determined, Tecno said, since this is still just a concept. The company also showed off another concept, called the Phantom Ultimate 2, an accordian-f ... Read full article.