1, when you feel stuck, you can try to clean up the memory, mainly to kill invalid and some processes that secretly run software in the background, which can improve the running memory of the system and improve the fluency of the system; At present, there are many softwares that can clean up the memory, such as 360 TV assistant, Betan assistant and so on.
2. Usually, check whether there are any redundant apk installation packages on the device. Some software is automatically upgraded, and some software is downloaded and installed. These apks will stay on the system, so check more and clean up more.
3. Thoroughly clean the main cleaning area regularly;
4. Uninstall the software that has not been used for a long time;
5. If you have root permission, you can shut down some software and restart it, uninstall unnecessary built-in software, slim down the system and so on.