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).

The Spark Slim is just 5.75mm thick but its build quality is the true star. Android makers have entered a frenzy ahead of the Apple's iPhone 17

Tecno Spark Slim rocks a 5,200mAh battery despite measuring only 5.75mm thick. Here are our first impressions after going hands-on with the device at MWC 2025.

Innovative, AI-driven technology brand TECNO is set to unveil the SPARK Slim at MWC 2025, a groundbreaking ultra-thin concept smartphone that pushes the boundaries of smartphone slimness while

The Tecno Spark Slim is an ultra-thin, high-end Android phone that looks a lot like the rumored iPhone 17 Air - here's what it has to offer.

Sadly, the phone will not be released soon. Ahead of the MWC, Tecno announced the world's thinnest smartphone, the Spark Slim. At only 5.75 mm thick,

We got our hands on the world's slimmest phone by Tecno and their new triple foldable phones that were displayed at MWC 2025.

The major device prototype we’re waiting on is confirmed to be the Phantom Ultimate 2 tri-fold. TECNO claims the foldable is “ultra-thin” and features a Starry Optical Fiber material. MWC 2025 attendees may have a chance to see this slim foldable on the floor around TECNO’s area.

Ahead of MWC, Tecno teased the Spark Slim as the “industry’s slimmest phone.” The 5.75mm device won’t break records, as the mostly-forgotten Moto Z was much thinner at just 5.2mm, but it does something that the Moto Z,

The Tecno Spark Slim lives up to its name, measuring 5.75mm thin. What impressed me during my brief hands-on time with the Spark Slim wasn't only the thinness. It's how great it f