You can close some groups or quit, saving traffic and memory. You can clean up the cache regularly and back up important files.

1. For example, the temporary files and picture caches for browsing the web page are extremely large and need to be deleted regularly, so they can be seen clearly from the browser;

2, you will also find that the speed of the mobile phone is not as good as the new one, and use the optimization software to detect nursing;

3. There is special software to clean up the software not used in the C disk system, and the files do not affect the use of mobile phones;

4. The software doesn't take up much memory, mostly the information received by chatting, pictures and files take up memory.