CodePudding user response:
All the problem is that android is an open system, when you are good at the time of download various free app, should think about what is the price of! Because open, also led to a Google cannot do like apple appstore the management of the software, so since the launch, wake up each other, in the case of buckets, thus caused the android system with more and more slow, plus the android features easy to generate fragments, so after a long time after hard drive speed will slow down the phone