The superthin phone also features a 5,200-mAh battery, which means that if the device were ever to make it to market, it wouldn't have to compromise on functionality.

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

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 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.

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.

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.

Smartphone brand TECNO is set to unveil their latest concept smartphone, the SPARK Slim, at Mobile World Congress 2025.

The resurgence of ultra-slim form factors, initially catalysed by Samsung's Galaxy S Edge announcement, has found a compelling manifestation in TECNO's Spark Slim. While the Galaxy S Edge remained largely inaccessible for hands-on evaluation,

The Tecno Slim Spark, a concept phone, was unveiled at MWC in Barcelona. The phone is just 5.75mm thick, making it slimmer than a pencil.

TECNO is unveiling the SPARK Slim at MWC 2025, featuring a 5.75mm ultra-thin design, 5200mAh battery, and a 6.78-inch AMOLED display. Here’s what to expect.

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,