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.

Although the camera bump adds slight thickness, this is still an impressively compact device. Tecno has not disclosed the chipset for the Spark Slim, stating only that it features an octa-core CPU.

The Tecno Spark Slim is what I expect a company to launch when it has the word “Slim” in the moniker. It’s got a 5,000mAh+ battery, less than 6mm thickness, and more than one camera.

Regardless, TECNO continues by highlighting the phone’s “futuristic design.” The silvery phone features rounded corners and relatively flat sides, given how thin the device ...

Tecno didn't say what chipset the Spark Slim is running except that it feature an octa-core CPU. Sadly, the Techno Spark Slim is a concept phone and will not make it to market in this shape and size.