What if the phone prompts that there is not enough memory to receive messages?

The mobile phone prompts that there is not enough memory to receive messages, and it needs to be emptied. Open system settings-general-storage space and iCloud usage-manage storage space. You must have a lot of large software, or software, or video cache. Closing these daemons is actually very simple. With Tencent's mobile phone housekeeper rocket acceleration, there is also a one-click optimization function. You can shut down some background processes without shutting them down one by one.