Memory expansion method of Apple mobile phone

Apple's mobile phone memory can't be expanded by itself, it is fixed, and it can't be expanded by SD, which is different from Android phones. Although Apple phones can't expand memory, they can indirectly increase memory, as follows:

Turn off SMS persistent storage

Click Settings-Information-Information History-Save Information, and then change the default permanence to 30 days. After clicking, a prompt will pop up asking whether to delete the old information. Click "Delete".

Don't save the photo twice.

Click "Settings"-"Photos in Camera"-Turn off "Keep photos with normal exposure".

Clear browser cache

Click Settings -Safari- Click Clear History and Website Data to clean up these contents.

Clear offline data

Open Settings-General-Use-Manage Storage Space -Safari- Click the offline reading list to delete data.

Selectively delete applications and data.

Many apps have their own caches, so just delete them. Also clean up QQ and WeChat junk cache at any time.