Open the system general settings-dosage, you can see the size of the memory space occupied by each app, select the largest program, open it, see if there are any unfinished videos, cache files after listening to songs, and so on. , and delete it in time. It can also conveniently delete large-scale applications that are not used all the year round and are forced to be reluctant to delete, and release memory.
Every application of ipad will have its own cache cleaning function if it will generate cache. Take WeChat as an example, open WeChat, click Me-Settings-General, and you can see that the storage space of WeChat is cleared. Just click clean. General browsers and video playback software will have this option. Cleaning by yourself is a good habit.