ICloud means that cloud backup has nothing to do with mobile phone memory. The iCloud space of Apple's mobile phone is only 5G. If you turn on gallery synchronization, the icould space can be easily filled. Cleaning method:

1. After the Apple phone is unlocked, click the settings icon of the phone to enter.

2. After entering the mobile phone settings list, click the AppleID account option at the top to enter.

3. After entering, select the option of icould in the page to enter.

4. Click to enter, and you can see the application using icould. Click the option of managing storage space on the page.

5. After clicking, you can see applications that occupy a lot of icould space, such as photos. Click to enter.

6. After entering, select the following deactivation and deletion options. It is recommended to back up the contents of the gallery before selection.

7. After selecting, click the option below to delete photos and videos and free up iCloud space.