1 Delete your browser cache, especially after years of use, the cache is very large. Find "Safari" in the settings, and then click the "Clear History and Website Data" button to clear the cache of Safari. Users using Chrome click "3" in the upper right corner to enter the settings. In Privacy Settings, you can clear browsing history, cache, cookie, or all of them. The steps to clear other third-party browsers are basically the same.
Delete your old messages. When you send a text message with a picture, the picture will be stored in Other. Deleting them also helps to free up memory. Unfortunately, there is no simple way to delete short messages on a large scale. When deleting manually, be careful not to delete the records of important conversations.
3 deleting the recorded voice memo of iOS will take up a lot of space. It is recommended to clean up in time.