Qualcomm Quick Charge 2.0 Qualcomm Quick charge 2.0 has been released. This boost up charging speed of the phone, but the interesting fact is that, it charge your phone very quickly until the battery goes up-to 75-80% and then it slows down very to complete the charge. For the first 75-80%, it takes almost one hour and for the remaining 20-25% , it takes around 30 odd minutes which is kind of annoying. Also, only some of the phones only support quick charge, Officially announced by the phone companies. for example :Samsung Galaxy S6 support quick charge but it is not announced by Samsung and One Plus 2 does not supports Quick Charge. One of the con is that,it heats up phone while charging and nothing else.