1, first clean up the garbage in the garbage cleaning of Tencent's mobile phone housekeeper, and then click the mobile phone in the upper right corner to slim down and deeply clean up the mobile phone files;

2, or you can open the file management that comes with the mobile phone system, there will be classification and so on, you can select files and then clear them;

3. It is best to turn off the battery when the mobile phone is hot, and then turn it on later.