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 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.

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.

TECNO just beat Samsung's Galaxy S25 Edge to the punch, announcing its own super-thin smartphone at the ongoing MWC 2025.

Tecno is referring the SPARK Slim as concept phone, so the company’s plans to release it for the mass market remain unclear. The device’s design looks quite similar to the iPhone 17 Air. It even packs a higher battery capacity of 5,200mAh.

For the moment, Tecno is laying claim to the world's thinnest smartphone to have a 5,200mAh (or bigger) battery.

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,

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