Xiaomi’s not the only company toying with this idea. This week rival Chinese phone maker Realme introduced a concept phone with a 1 inch image sensor that isn’t designed to work with a built-in lens. Instead you can attach any camera lens that uses the Leica M Mount system to the back of the phone.

Although still a concept, it almost felt like a finished product. Xiaomi showcased an interesting new cameraphone concept at this year's MWC in