Application slimming is a new function released by Apple from iOS 9, which can optimize the Apple Store and operating system. According to the user's specific equipment model, on the premise of ensuring the integrity of application characteristics, the volume of application installation package should be compressed and reduced as much as possible.

Uninstalling an application means releasing the storage space occupied by the application, that is, the space the size of the application. After deletion, the documents and data in the application will be retained, and the previous data can be restored after reinstallation.

2. Memory is different.

The application slimming reduces the memory occupation of the user equipment by the application as much as possible, thus reducing the burden of downloading the application by the user. Deleting an application means that in addition to releasing the space occupied by the application, the documents and data in the application will also be deleted.

Many people will choose a mobile phone with 64G memory when buying a mobile phone. If it is used for a long time, it will show that there is not enough memory. The methods to prevent this problem are as follows:

1. Frequently delete unused apps to prevent unused software from occupying the phone memory.

2. Upload photos to icloud, and then delete unimportant photos from your phone. If the purchased icloud is full, you can consider using network disk software or uploading it to QQ space privacy album.

3. When the new version of the mobile phone system is updated in time, the mobile phone system will reduce the system's occupation of mobile phone memory, and more memory capacity can be obtained after the system is updated.