1, enter the app information of the mobile phone and other chat apps, and delete unnecessary pictures.

2. Check the storage space usage of each application. The specific operation mode is to enter Settings >; General > usage > manage storage space, and then you can see which applications occupy the most space, and manually clean up the cache.

3. Back up the data and settings of the mobile phone to iCloud and restore the factory settings once.

4, using Tencent mobile phone housekeeper rocket acceleration, there is a key optimization function. You can shut down some background processes. Clean up the cached files in the application with one click. For example, in the general function of WeChat, clean up and easily remove some camera software that is not commonly used.