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).

I'm not a fan of slim devices but the Tecno Spark Slim is a concept phone that I want to launch soon, given the no-compromise form.The Latest Tech News, Delivered to Your Inbox

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

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

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.

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.

At MWC 2025, Tecno unveiled its Spark Slim smartphone. While the company calls it a concept device (read: prototype), it is reportedly preparing for a "staggered launch" later this year. Regardless, after brief hands-on time with the phone, I can confidently say this is how thin phones should be done.

The TECNO SPARK Slim is the thinnest phone in the world right now, but somehow it still packs a bigger battery than the iPhone 16 Pro Max.

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,

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.