OnePlus is showing off its much-hyped OnePlus 11 Concept phone at MWC 2023. The OnePlus 11 Concept features Active CryoFlux, which is OnePlus speak for liquid cooling technology powered by micro piezeoelectric motors. The CryoFlux flows along a glowing LED-lit pipeline along the back of the phone and around the camera module giving the phone a distinctive futuristic appeal.