Tecno Spark Slim rocks a 5,200mAh battery despite measuring only 5.75mm thick. Here are our first impressions after going ...

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.